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13051063872 = 2633711237241
BaseRepresentation
bin11000010011110011…
…10110111001000000
31020200112212201221000
430021321312321000
5203212033020442
65555013332000
7641263132620
oct141171667100
936615781830
1013051063872
115597a92500
122642937000
1312ccb40402
148bb45c880
15515b8bd4c
hex309e76e40

13051063872 has 672 divisors, whose sum is σ = 49705483520. Its totient is φ = 3284582400.

The previous prime is 13051063867. The next prime is 13051063969. The reversal of 13051063872 is 27836015031.

13051063872 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 10 + 638 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 54153672 + ... + 54153912.

Almost surely, 213051063872 is an apocalyptic number.

13051063872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13051063872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24852741760).

13051063872 is an abundant number, since it is smaller than the sum of its proper divisors (36654419648).

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

13051063872 is a wasteful number, since it uses less digits than its factorization.

13051063872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 13051063872 in words is "thirteen billion, fifty-one million, sixty-three thousand, eight hundred seventy-two".