Base | Representation |
---|---|
bin | 11100010101111010… |
… | …10100000000111000 |
3 | 1110021110000121002222 |
4 | 32022331110000320 |
5 | 222130323333311 |
6 | 10553520343212 |
7 | 1046033552630 |
oct | 161275240070 |
9 | 43243017088 |
10 | 15216230456 |
11 | 64a9190179 |
12 | 2b47a74b08 |
13 | 1586596a7b |
14 | a44c2d6c0 |
15 | 5e0cc7adb |
hex | 38af54038 |
15216230456 has 16 divisors (see below), whose sum is σ = 32606208240. Its totient is φ = 6521241600.
The previous prime is 15216230423. The next prime is 15216230467. The reversal of 15216230456 is 65403261251.
It is a congruent number.
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, 135859145 + ... + 135859256.
It is an arithmetic number, because the mean of its divisors is an integer number (2037888015).
Almost surely, 215216230456 is an apocalyptic number.
It is an amenable number.
15216230456 is an abundant number, since it is smaller than the sum of its proper divisors (17389977784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15216230456 is a wasteful number, since it uses less digits than its factorization.
15216230456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271718414 (or 271718410 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 35.
The spelling of 15216230456 in words is "fifteen billion, two hundred sixteen million, two hundred thirty thousand, four hundred fifty-six".
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