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290873782500080 = 24513863764342403
BaseRepresentation
bin100001000100011000101010…
…0011110101111101011110000
31102010220021002000122102112112
41002020301110132233223300
5301111134001310000310
62510345323154344452
7115160636326606253
oct10210612436575360
91363807060572475
10290873782500080
118475497318059a
122875935528b128
13c63c3841bb540
1451b851ab7d09a
15239646442e705
hex1088c547afaf0

290873782500080 has 160 divisors (see below), whose sum is σ = 729259720390656. Its totient is φ = 107258536092672.

The previous prime is 290873782500079. The next prime is 290873782500083. The reversal of 290873782500080 is 80005287378092.

It is a junction number, because it is equal to n+sod(n) for n = 290873782499992 and 290873782500019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290873782500083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6859724159 + ... + 6859766561.

Almost surely, 2290873782500080 is an apocalyptic number.

290873782500080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290873782500080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364629860195328).

290873782500080 is an abundant number, since it is smaller than the sum of its proper divisors (438385937890576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290873782500080 is a wasteful number, since it uses less digits than its factorization.

290873782500080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50935 (or 50929 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 290873782500080 in words is "two hundred ninety trillion, eight hundred seventy-three billion, seven hundred eighty-two million, five hundred thousand, eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 863 1040 1726 3452 4315 6904 7643 8630 11219 13808 15286 17260 22438 30572 34520 38215 42403 44876 56095 61144 69040 76430 84806 89752 99359 112190 122288 152860 169612 179504 198718 212015 224380 305720 339224 397436 424030 448760 496795 551239 611440 678448 794872 848060 897520 993590 1102478 1589744 1696120 1987180 2204956 2756195 3392240 3974360 4409912 5512390 6595909 7948720 8819824 11024780 13191818 22049560 26383636 32979545 36593789 44099120 52767272 65959090 73187578 85746817 105534544 131918180 146375156 171493634 182968945 263836360 292750312 324086129 342987268 365937890 428734085 475719257 527672720 585500624 648172258 685974536 731875780 857468170 951438514 1296344516 1371949072 1463751560 1620430645 1714936340 1902877028 2378596285 2592689032 2927503120 3240861290 3429872680 3805754056 4213119677 4757192570 5185378064 6481722580 6859745360 7611508112 8426239354 9514385140 12963445160 16852478708 19028770280 21065598385 25926890320 33704957416 38057540560 42131196770 67409914832 84262393540 168524787080 279686329327 337049574160 559372658654 1118745317308 1398431646635 2237490634616 2796863293270 3635922281251 4474981269232 5593726586540 7271844562502 11187453173080 14543689125004 18179611406255 22374906346160 29087378250008 36359222812510 58174756500016 72718445625020 145436891250040 290873782500080