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13479500256 = 2531021113751
BaseRepresentation
bin11001000110111000…
…01101100111100000
31021210102001120011020
430203130031213200
5210101223002011
610105320245440
7655014601365
oct144334154740
937712046136
1013479500256
115797910062
122742310880
13136a82a071
1491c30646c
1553d5bb006
hex32370d9e0

13479500256 has 48 divisors (see below), whose sum is σ = 35389726848. Its totient is φ = 4492400000.

The previous prime is 13479500249. The next prime is 13479500261. The reversal of 13479500256 is 65200597431.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973381 + ... + 987131.

It is an arithmetic number, because the mean of its divisors is an integer number (737285976).

Almost surely, 213479500256 is an apocalyptic number.

13479500256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13479500256 is an abundant number, since it is smaller than the sum of its proper divisors (21910226592).

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

13479500256 is a wasteful number, since it uses less digits than its factorization.

13479500256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23975 (or 23967 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 13479500256 in words is "thirteen billion, four hundred seventy-nine million, five hundred thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 10211 13751 20422 27502 30633 40844 41253 55004 61266 81688 82506 110008 122532 163376 165012 220016 245064 326752 330024 440032 490128 660048 980256 1320096 140411461 280822922 421234383 561645844 842468766 1123291688 1684937532 2246583376 3369875064 4493166752 6739750128 13479500256