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13668715314 = 232759373073
BaseRepresentation
bin11001011101011100…
…00000101100110010
31022021121002200102100
430232232000230302
5210443142342224
610140200001230
7662503106652
oct145656005462
938247080370
1013668715314
1158846a7141
122795760216
13139aaa9437
149394bc362
1554eee4ac9
hex32eb80b32

13668715314 has 12 divisors (see below), whose sum is σ = 29615549886. Its totient is φ = 4556238432.

The previous prime is 13668715297. The next prime is 13668715337. The reversal of 13668715314 is 41351786631.

13668715314 is a `hidden beast` number, since 1 + 36 + 6 + 87 + 1 + 531 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13608389025 + 60326289 = 116655^2 + 7767^2 .

It is a super-3 number, since 3×136687153143 (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13668715314.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379686519 + ... + 379686554.

Almost surely, 213668715314 is an apocalyptic number.

13668715314 is an abundant number, since it is smaller than the sum of its proper divisors (15946834572).

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

13668715314 is a wasteful number, since it uses less digits than its factorization.

13668715314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759373081 (or 759373078 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 13668715314 in words is "thirteen billion, six hundred sixty-eight million, seven hundred fifteen thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 759373073 1518746146 2278119219 4556238438 6834357657 13668715314