Base | Representation |
---|---|
bin | 1101111011010001011101… |
… | …1001011010001100100000 |
3 | 2000012210211012002102102012 |
4 | 3132310113121122030200 |
5 | 4001332333420301404 |
6 | 52322114013012052 |
7 | 3140152263404360 |
oct | 336642731321440 |
9 | 60183735072365 |
10 | 15311950947104 |
11 | 4973842145269 |
12 | 1873685484028 |
13 | 870babc99906 |
14 | 3ad160d069a0 |
15 | 1b8474104a6e |
hex | ded1765a320 |
15311950947104 has 48 divisors (see below), whose sum is σ = 34520382707328. Its totient is φ = 6549218391552.
The previous prime is 15311950947053. The next prime is 15311950947107. The reversal of 15311950947104 is 40174905911351.
15311950947104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (15311950947107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67836557 + ... + 68061900.
It is an arithmetic number, because the mean of its divisors is an integer number (719174639736).
Almost surely, 215311950947104 is an apocalyptic number.
15311950947104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
15311950947104 is an abundant number, since it is smaller than the sum of its proper divisors (19208431760224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15311950947104 is a wasteful number, since it uses less digits than its factorization.
15311950947104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135898977 (or 135898969 counting only the distinct ones).
The product of its (nonzero) digits is 680400, while the sum is 50.
The spelling of 15311950947104 in words is "fifteen trillion, three hundred eleven billion, nine hundred fifty million, nine hundred forty-seven thousand, one hundred four".
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