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275338208860 = 2251113891081709
BaseRepresentation
bin1000000000110110110…
…11111010011001011100
3222022200210102020021021
410000123123322121130
514002343040140420
6330253313213524
725615065105541
oct4003333723134
9868623366237
10275338208860
11a6852271630
12454422612a4
131cc6c6b06a0
14d47da76bc8
1572675467aa
hex401b6fa65c

275338208860 has 96 divisors (see below), whose sum is σ = 686929118400. Its totient is φ = 91382691840.

The previous prime is 275338208851. The next prime is 275338208867. The reversal of 275338208860 is 68802833572.

It is a super-2 number, since 2×2753382088602 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 275338208798 and 275338208807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275338208867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286315 + ... + 795394.

It is an arithmetic number, because the mean of its divisors is an integer number (7155511650).

Almost surely, 2275338208860 is an apocalyptic number.

275338208860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275338208860 is an abundant number, since it is smaller than the sum of its proper divisors (411590909540).

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

275338208860 is a wasteful number, since it uses less digits than its factorization.

275338208860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081831 (or 1081829 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 275338208860 in words is "two hundred seventy-five billion, three hundred thirty-eight million, two hundred eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 89 110 130 143 178 220 260 286 356 445 572 715 890 979 1157 1430 1780 1958 2314 2860 3916 4628 4895 5785 9790 11570 12727 19580 23140 25454 50908 63635 127270 254540 1081709 2163418 4326836 5408545 10817090 11898799 14062217 21634180 23797598 28124434 47595196 56248868 59493995 70311085 96272101 118987990 140622170 154684387 192544202 237975980 281244340 309368774 385088404 481360505 618737548 773421935 962721010 1058993111 1251537313 1546843870 1925442020 2117986222 2503074626 3093687740 4235972444 5006149252 5294965555 6257686565 10589931110 12515373130 13766910443 21179862220 25030746260 27533820886 55067641772 68834552215 137669104430 275338208860