Base | Representation |
---|---|
bin | 11101100111001011… |
… | …111111100010111110 |
3 | 10001001220201112120111 |
4 | 131213023333202332 |
5 | 1010104231440230 |
6 | 22335025540234 |
7 | 2203635161500 |
oct | 354713774276 |
9 | 101056645514 |
10 | 31795968190 |
11 | 12536aa4568 |
12 | 61b44a467a |
13 | 2cc94a2c7c |
14 | 1778b91d70 |
15 | c6163792a |
hex | 7672ff8be |
31795968190 has 192 divisors, whose sum is σ = 75172147200. Its totient is φ = 9593385984.
The previous prime is 31795968187. The next prime is 31795968199. The reversal of 31795968190 is 9186959713.
It is a super-2 number, since 2×317959681902 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31795968199) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12502059 + ... + 12504601.
It is an arithmetic number, because the mean of its divisors is an integer number (391521600).
Almost surely, 231795968190 is an apocalyptic number.
31795968190 is an abundant number, since it is smaller than the sum of its proper divisors (43376179010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31795968190 is a wasteful number, since it uses less digits than its factorization.
31795968190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2679 (or 2672 counting only the distinct ones).
The product of its (nonzero) digits is 3674160, while the sum is 58.
The spelling of 31795968190 in words is "thirty-one billion, seven hundred ninety-five million, nine hundred sixty-eight thousand, one hundred ninety".
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