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13927679944 = 231740959993
BaseRepresentation
bin11001111100010011…
…11000011111001000
31022221122101110002221
430332021320133020
5212010441224234
610222010303424
71002066216613
oct147611703710
938848343087
1013927679944
1159a78a30a2
122848427b74
13140c63a349
14961a4d17a
15567ae9eb4
hex33e2787c8

13927679944 has 8 divisors (see below), whose sum is σ = 26114399910. Its totient is φ = 6963839968.

The previous prime is 13927679939. The next prime is 13927679957. The reversal of 13927679944 is 44997672931.

It can be written as a sum of positive squares in only one way, i.e., 10964184100 + 2963495844 = 104710^2 + 54438^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 870479989 + ... + 870480004.

Almost surely, 213927679944 is an apocalyptic number.

It is an amenable number.

13927679944 is a deficient number, since it is larger than the sum of its proper divisors (12186719966).

13927679944 is a wasteful number, since it uses less digits than its factorization.

13927679944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740959999 (or 1740959995 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 61.

The spelling of 13927679944 in words is "thirteen billion, nine hundred twenty-seven million, six hundred seventy-nine thousand, nine hundred forty-four".

Divisors: 1 2 4 8 1740959993 3481919986 6963839972 13927679944