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105459278456 = 23717565119603
BaseRepresentation
bin110001000110111011…
…1001110001001111000
3101002012122020102102002
41202031313032021320
53211440033402311
6120240342200132
710422244035140
oct1421567161170
9332178212362
10105459278456
11407a8016884
1218532123048
139c3886631c
145166117920
152b2366393b
hex188ddce278

105459278456 has 64 divisors (see below), whose sum is σ = 239331905280. Its totient is φ = 42528499200.

The previous prime is 105459278411. The next prime is 105459278461. The reversal of 105459278456 is 654872954501.

It is a super-2 number, since 2×1054592784562 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5369951 + ... + 5389553.

It is an arithmetic number, because the mean of its divisors is an integer number (3739561020).

Almost surely, 2105459278456 is an apocalyptic number.

It is an amenable number.

105459278456 is an abundant number, since it is smaller than the sum of its proper divisors (133872626824).

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

105459278456 is a wasteful number, since it uses less digits than its factorization.

105459278456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25284 (or 25280 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 56.

The spelling of 105459278456 in words is "one hundred five billion, four hundred fifty-nine million, two hundred seventy-eight thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 5651 11302 19603 22604 39206 39557 45208 78412 79114 96067 137221 156824 158228 192134 274442 316456 333251 384268 548884 666502 672469 768536 1097768 1333004 1344938 2332757 2666008 2689876 4665514 5379752 9331028 18662056 110776553 221553106 443106212 775435871 886212424 1550871742 1883201401 3101743484 3766402802 6203486968 7532805604 13182409807 15065611208 26364819614 52729639228 105459278456