Base | Representation |
---|---|
bin | 11111011111011110… |
… | …01111100000111111 |
3 | 1121122021120122220110 |
4 | 33233233033200333 |
5 | 234111200301311 |
6 | 11433400321103 |
7 | 1135654322142 |
oct | 175757174077 |
9 | 47567518813 |
10 | 16907040831 |
11 | 719664701a |
12 | 333a173193 |
13 | 1795976595 |
14 | b65602059 |
15 | 68e4638a6 |
hex | 3efbcf83f |
16907040831 has 32 divisors (see below), whose sum is σ = 23469308928. Its totient is φ = 10818846720.
The previous prime is 16907040817. The next prime is 16907040853. The reversal of 16907040831 is 13804070961.
It is not a de Polignac number, because 16907040831 - 218 = 16906778687 is a prime.
It is a super-2 number, since 2×169070408312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 16907040831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16907040331) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2197311 + ... + 2204991.
It is an arithmetic number, because the mean of its divisors is an integer number (733415904).
Almost surely, 216907040831 is an apocalyptic number.
16907040831 is a deficient number, since it is larger than the sum of its proper divisors (6562268097).
16907040831 is a wasteful number, since it uses less digits than its factorization.
16907040831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8031.
The product of its (nonzero) digits is 36288, while the sum is 39.
The spelling of 16907040831 in words is "sixteen billion, nine hundred seven million, forty thousand, eight hundred thirty-one".
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