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13265625140 = 225663281257
BaseRepresentation
bin11000101101011000…
…10110000000110100
31021020111121120122122
430112230112000310
5204132000001030
610032200215112
7646506644645
oct142654260064
937214546578
1013265625140
115698110569
1226a276a498
131335425441
148dbb516cc
155299208e5
hex316b16034

13265625140 has 12 divisors (see below), whose sum is σ = 27857812836. Its totient is φ = 5306250048.

The previous prime is 13265625101. The next prime is 13265625187. The reversal of 13265625140 is 4152656231.

It can be written as a sum of positive squares in 2 ways, for example, as 7686730276 + 5578894864 = 87674^2 + 74692^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13265625140.

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, 331640609 + ... + 331640648.

It is an arithmetic number, because the mean of its divisors is an integer number (2321484403).

Almost surely, 213265625140 is an apocalyptic number.

13265625140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13265625140 is an abundant number, since it is smaller than the sum of its proper divisors (14592187696).

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

13265625140 is a wasteful number, since it uses less digits than its factorization.

13265625140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663281266 (or 663281264 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 13265625140 in words is "thirteen billion, two hundred sixty-five million, six hundred twenty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 663281257 1326562514 2653125028 3316406285 6632812570 13265625140