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23255451264 = 273431408397
BaseRepresentation
bin10101101010001000…
…100000011010000000
32020000201020022211210
4111222020200122000
5340111343420024
614403341010120
71452202034313
oct255210403200
966021208753
1023255451264
119954106811
124610253940
132267c8cb66
1411a87c697a
1591196e129
hex56a220680

23255451264 has 64 divisors (see below), whose sum is σ = 63208902240. Its totient is φ = 7571536896.

The previous prime is 23255451259. The next prime is 23255451283. The reversal of 23255451264 is 46215455232.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×232554512643 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687687 + ... + 720710.

Almost surely, 223255451264 is an apocalyptic number.

23255451264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23255451264 is an abundant number, since it is smaller than the sum of its proper divisors (39953450976).

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

23255451264 is a wasteful number, since it uses less digits than its factorization.

23255451264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408457 (or 1408445 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

The spelling of 23255451264 in words is "twenty-three billion, two hundred fifty-five million, four hundred fifty-one thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 64 86 96 128 129 172 192 258 344 384 516 688 1032 1376 2064 2752 4128 5504 8256 16512 1408397 2816794 4225191 5633588 8450382 11267176 16900764 22534352 33801528 45068704 60561071 67603056 90137408 121122142 135206112 180274816 181683213 242244284 270412224 363366426 484488568 540824448 726732852 968977136 1453465704 1937954272 2906931408 3875908544 5813862816 7751817088 11627725632 23255451264