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87734392256 = 267195835697
BaseRepresentation
bin101000110110101100…
…0001001010111000000
322101110100201220120102
41101231120021113000
52414140001023011
6104145444301532
76224066013110
oct1215530112700
9271410656512
1087734392256
11342318604a5
12150060a18a8
13837262c394
144364063040
15243750073b
hex146d6095c0

87734392256 has 28 divisors (see below), whose sum is σ = 198969069168. Its totient is φ = 37600453632.

The previous prime is 87734392243. The next prime is 87734392271. The reversal of 87734392256 is 65229343778.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-3 number, since 3×877343922563 (a number of 34 digits) contains 333 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97917401 + ... + 97918296.

Almost surely, 287734392256 is an apocalyptic number.

It is an amenable number.

87734392256 is an abundant number, since it is smaller than the sum of its proper divisors (111234676912).

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

87734392256 is a wasteful number, since it uses less digits than its factorization.

87734392256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195835716 (or 195835706 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 56.

The spelling of 87734392256 in words is "eighty-seven billion, seven hundred thirty-four million, three hundred ninety-two thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 195835697 391671394 783342788 1370849879 1566685576 2741699758 3133371152 5483399516 6266742304 10966799032 12533484608 21933598064 43867196128 87734392256