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10728403872 = 253111754207
BaseRepresentation
bin10011111110111011…
…00111001110100000
31000200200101101101120
421333131213032200
5133432432410442
64532322532240
7526600633254
oct117735471640
930620341346
1010728403872
1146059a468a
1220b4b07080
13101c893194
1473abb2264
1542bce14ec
hex27f7673a0

10728403872 has 24 divisors (see below), whose sum is σ = 28162060416. Its totient is φ = 3576134592.

The previous prime is 10728403849. The next prime is 10728403913. The reversal of 10728403872 is 27830482701.

It is a tau number, because it is divible by the number of its divisors (24).

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, 55877008 + ... + 55877199.

It is an arithmetic number, because the mean of its divisors is an integer number (1173419184).

Almost surely, 210728403872 is an apocalyptic number.

10728403872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10728403872 is an abundant number, since it is smaller than the sum of its proper divisors (17433656544).

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

10728403872 is a wasteful number, since it uses less digits than its factorization.

10728403872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111754220 (or 111754212 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 10728403872 in words is "ten billion, seven hundred twenty-eight million, four hundred three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 111754207 223508414 335262621 447016828 670525242 894033656 1341050484 1788067312 2682100968 3576134624 5364201936 10728403872