Base | Representation |
---|---|
bin | 11100011110101111… |
… | …10000011000100000 |
3 | 1110110121100021000010 |
4 | 32033113300120200 |
5 | 222303302140024 |
6 | 11005123324520 |
7 | 1050623106222 |
oct | 161727603040 |
9 | 43417307003 |
10 | 15290271264 |
11 | 6536a61124 |
12 | 2b68820740 |
13 | 1598a1b8b8 |
14 | a509c4412 |
15 | 5e7550b29 |
hex | 38f5f0620 |
15290271264 has 24 divisors (see below), whose sum is σ = 40136962320. Its totient is φ = 5096757056.
The previous prime is 15290271259. The next prime is 15290271323. The reversal of 15290271264 is 46217209251.
It is a tau number, because it is divible by the number of its divisors (24).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79636734 + ... + 79636925.
It is an arithmetic number, because the mean of its divisors is an integer number (1672373430).
Almost surely, 215290271264 is an apocalyptic number.
It is an amenable number.
15290271264 is an abundant number, since it is smaller than the sum of its proper divisors (24846691056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15290271264 is a wasteful number, since it uses less digits than its factorization.
15290271264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159273672 (or 159273664 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The spelling of 15290271264 in words is "fifteen billion, two hundred ninety million, two hundred seventy-one thousand, two hundred sixty-four".
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