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13745868664 = 2311712200043
BaseRepresentation
bin11001100110101000…
…10100111101111000
31022110222021110220211
430303110110331320
5211122420244124
610151553400504
7664430645563
oct146324247570
938428243824
1013745868664
115914203640
1227b7569134
1313b0a80bc8
149458434da
15556b84e94
hex333514f78

13745868664 has 32 divisors (see below), whose sum is σ = 28512570240. Its totient is φ = 6160117600.

The previous prime is 13745868589. The next prime is 13745868701. The reversal of 13745868664 is 46686854731.

It is a junction number, because it is equal to n+sod(n) for n = 13745868599 and 13745868608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093774 + ... + 1106269.

It is an arithmetic number, because the mean of its divisors is an integer number (891017820).

Almost surely, 213745868664 is an apocalyptic number.

It is an amenable number.

13745868664 is an abundant number, since it is smaller than the sum of its proper divisors (14766701576).

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

13745868664 is a wasteful number, since it uses less digits than its factorization.

13745868664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200131 (or 2200127 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 58.

The spelling of 13745868664 in words is "thirteen billion, seven hundred forty-five million, eight hundred sixty-eight thousand, six hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 71 88 142 284 568 781 1562 3124 6248 2200043 4400086 8800172 17600344 24200473 48400946 96801892 156203053 193603784 312406106 624812212 1249624424 1718233583 3436467166 6872934332 13745868664