Base | Representation |
---|---|
bin | 11101101110001010… |
… | …111001001010011110 |
3 | 10001101002011111012202 |
4 | 131232022321022132 |
5 | 1010324224323124 |
6 | 22354412531502 |
7 | 2206560022250 |
oct | 355612711236 |
9 | 101332144182 |
10 | 31913120414 |
11 | 1259714078a |
12 | 6227780b92 |
13 | 3017840906 |
14 | 178a569cd0 |
15 | c6ba795ae |
hex | 76e2b929e |
31913120414 has 32 divisors (see below), whose sum is σ = 56819266560. Its totient is φ = 13159152288.
The previous prime is 31913120401. The next prime is 31913120419. The reversal of 31913120414 is 41402131913.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31913120419) 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, 372197 + ... + 449840.
It is an arithmetic number, because the mean of its divisors is an integer number (1775602080).
Almost surely, 231913120414 is an apocalyptic number.
31913120414 is a deficient number, since it is larger than the sum of its proper divisors (24906146146).
31913120414 is a wasteful number, since it uses less digits than its factorization.
31913120414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 822152.
The product of its (nonzero) digits is 2592, while the sum is 29.
The spelling of 31913120414 in words is "thirty-one billion, nine hundred thirteen million, one hundred twenty thousand, four hundred fourteen".
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