Base | Representation |
---|---|
bin | 11100001001100101… |
… | …10010000100000111 |
3 | 1110000020102010100010 |
4 | 32010302302010013 |
5 | 221422334303123 |
6 | 10535343521303 |
7 | 1043336510553 |
oct | 160462620407 |
9 | 43006363303 |
10 | 15112806663 |
11 | 6455870369 |
12 | 2b192b9233 |
13 | 156b024a66 |
14 | a351ca863 |
15 | 5d6b98993 |
hex | 384cb2107 |
15112806663 has 16 divisors (see below), whose sum is σ = 21261372800. Its totient is φ = 9522243360.
The previous prime is 15112806637. The next prime is 15112806671. The reversal of 15112806663 is 36660821151.
It is not a de Polignac number, because 15112806663 - 29 = 15112806151 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15112808663) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290893 + ... + 338886.
It is an arithmetic number, because the mean of its divisors is an integer number (1328835800).
Almost surely, 215112806663 is an apocalyptic number.
15112806663 is a deficient number, since it is larger than the sum of its proper divisors (6148566137).
15112806663 is a wasteful number, since it uses less digits than its factorization.
15112806663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 630222.
The product of its (nonzero) digits is 51840, while the sum is 39.
The spelling of 15112806663 in words is "fifteen billion, one hundred twelve million, eight hundred six thousand, six hundred sixty-three".
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