Base | Representation |
---|---|
bin | 11101000001100010… |
… | …000111000110101110 |
3 | 2222102220000000120220 |
4 | 131001202013012232 |
5 | 1002311020411420 |
6 | 22152221352210 |
7 | 2152164413364 |
oct | 350142070656 |
9 | 88386000526 |
10 | 31164232110 |
11 | 1224243a930 |
12 | 6058a08666 |
13 | 2c2864513b |
14 | 1718d07634 |
15 | c25e4b840 |
hex | 7418871ae |
31164232110 has 128 divisors (see below), whose sum is σ = 84717342720. Its totient is φ = 7268582400.
The previous prime is 31164232109. The next prime is 31164232147. The reversal of 31164232110 is 1123246113.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1760986 + ... + 1778594.
It is an arithmetic number, because the mean of its divisors is an integer number (661854240).
Almost surely, 231164232110 is an apocalyptic number.
31164232110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 31164232110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42358671360).
31164232110 is an abundant number, since it is smaller than the sum of its proper divisors (53553110610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31164232110 is a wasteful number, since it uses less digits than its factorization.
31164232110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17834.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 31164232110 its reverse (1123246113), we get a palindrome (32287478223).
The spelling of 31164232110 in words is "thirty-one billion, one hundred sixty-four million, two hundred thirty-two thousand, one hundred ten".
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