Base | Representation |
---|---|
bin | 1101110001001111011011… |
… | …1110110101111011100001 |
3 | 1222121022222100012221022012 |
4 | 3130103312332311323201 |
5 | 3441021404223420230 |
6 | 52111012354322305 |
7 | 3121541416163333 |
oct | 334236676657341 |
9 | 58538870187265 |
10 | 15139608420065 |
11 | 490774329a938 |
12 | 18461a8289395 |
13 | 85a87492a86c |
14 | 3a4a920d1453 |
15 | 1b3c38cd7395 |
hex | dc4f6fb5ee1 |
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".
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