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15139608420065 = 56474679940779
BaseRepresentation
bin1101110001001111011011…
…1110110101111011100001
31222121022222100012221022012
43130103312332311323201
53441021404223420230
652111012354322305
73121541416163333
oct334236676657341
958538870187265
1015139608420065
11490774329a938
1218461a8289395
1385a87492a86c
143a4a920d1453
151b3c38cd7395
hexdc4f6fb5ee1

15139608420065 has 8 divisors (see below), whose sum is σ = 18195609752640. Its totient is φ = 12092966970352.

The previous prime is 15139608419963. The next prime is 15139608420071. The reversal of 15139608420065 is 56002480693151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15139608420065 - 226 = 15139541311201 is a prime.

It is a super-2 number, since 2×151396084200652 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15139608419995 and 15139608420022.

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, 2339967155 + ... + 2339973624.

It is an arithmetic number, because the mean of its divisors is an integer number (2274451219080).

Almost surely, 215139608420065 is an apocalyptic number.

It is an amenable number.

15139608420065 is a deficient number, since it is larger than the sum of its proper divisors (3056001332575).

15139608420065 is an equidigital number, since it uses as much as digits as its factorization.

15139608420065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679941431.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 15139608420065 in words is "fifteen trillion, one hundred thirty-nine billion, six hundred eight million, four hundred twenty thousand, sixty-five".

Divisors: 1 5 647 3235 4679940779 23399703895 3027921684013 15139608420065