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13379070872 = 2313112766289
BaseRepresentation
bin11000111010111010…
…00110101110011000
31021112102002012221102
430131131012232120
5204400020231442
610051331530532
7652355140346
oct143535065630
937472065842
1013379070872
115746155a72
122714759a48
131352a95cab
1490cc42996
1553487e232
hex31d746b98

13379070872 has 16 divisors (see below), whose sum is σ = 25277254200. Its totient is φ = 6638469760.

The previous prime is 13379070863. The next prime is 13379070893. The reversal of 13379070872 is 27807097331.

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, 6382097 + ... + 6384192.

Almost surely, 213379070872 is an apocalyptic number.

It is an amenable number.

13379070872 is a deficient number, since it is larger than the sum of its proper divisors (11898183328).

13379070872 is a wasteful number, since it uses less digits than its factorization.

13379070872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12766426 (or 12766422 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 13379070872 in words is "thirteen billion, three hundred seventy-nine million, seventy thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 131 262 524 1048 12766289 25532578 51065156 102130312 1672383859 3344767718 6689535436 13379070872