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13456507040 = 25584103169
BaseRepresentation
bin11001000100001001…
…00000000010100000
31021201210210101101122
430202010200002200
5210024331211130
610103135351412
7654315264644
oct144204400240
937653711348
1013456507040
1157859359a9
122736682568
131365b39402
1491923cc24
1553b5782e5
hex3221200a0

13456507040 has 24 divisors (see below), whose sum is σ = 31790998260. Its totient is φ = 5382602752.

The previous prime is 13456507039. The next prime is 13456507061. The reversal of 13456507040 is 4070565431.

It can be written as a sum of positive squares in 2 ways, for example, as 12967743376 + 488763664 = 113876^2 + 22108^2 .

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, 42051425 + ... + 42051744.

Almost surely, 213456507040 is an apocalyptic number.

13456507040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13456507040 is an abundant number, since it is smaller than the sum of its proper divisors (18334491220).

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

13456507040 is an equidigital number, since it uses as much as digits as its factorization.

13456507040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84103184 (or 84103176 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 13456507040 in words is "thirteen billion, four hundred fifty-six million, five hundred seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 84103169 168206338 336412676 420515845 672825352 841031690 1345650704 1682063380 2691301408 3364126760 6728253520 13456507040