Base | Representation |
---|---|
bin | 10111100011001010… |
… | …00100101011110011 |
3 | 1012122002222000121220 |
4 | 23301211010223303 |
5 | 201343044242123 |
6 | 5450314320123 |
7 | 625206255666 |
oct | 136145045363 |
9 | 35562860556 |
10 | 12642962163 |
11 | 53a8693667 |
12 | 254a129043 |
13 | 1266423300 |
14 | 87d1896dd |
15 | 4dee27ce3 |
hex | 2f1944af3 |
12642962163 has 12 divisors (see below), whose sum is σ = 18253744920. Its totient is φ = 7780284096.
The previous prime is 12642962153. The next prime is 12642962183. The reversal of 12642962163 is 36126924621.
It is not a de Polignac number, because 12642962163 - 26 = 12642962099 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12642962113) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12467898 + ... + 12468911.
It is an arithmetic number, because the mean of its divisors is an integer number (1521145410).
Almost surely, 212642962163 is an apocalyptic number.
12642962163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12642962163 is a deficient number, since it is larger than the sum of its proper divisors (5610782757).
12642962163 is a wasteful number, since it uses less digits than its factorization.
12642962163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24936838 (or 24936825 counting only the distinct ones).
The product of its digits is 186624, while the sum is 42.
The spelling of 12642962163 in words is "twelve billion, six hundred forty-two million, nine hundred sixty-two thousand, one hundred sixty-three".
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