Base | Representation |
---|---|
bin | 1110100001010011011100… |
… | …11000011000010101001101 |
3 | 11012001112120010010201011010 |
4 | 13100221232120120111031 |
5 | 13141122422010411331 |
6 | 151524422152115433 |
7 | 6503624665201353 |
oct | 720515630302515 |
9 | 135045503121133 |
10 | 31930638763341 |
11 | a1a078717415a |
12 | 36b8456395b79 |
13 | 14a807a9a7546 |
14 | 7c5645dbb7d3 |
15 | 3a58c87bde46 |
hex | 1d0a6e61854d |
31930638763341 has 32 divisors (see below), whose sum is σ = 43352523260928. Its totient is φ = 20899255703040.
The previous prime is 31930638763333. The next prime is 31930638763391. The reversal of 31930638763341 is 14336783603913.
It is a happy number.
It is not a de Polignac number, because 31930638763341 - 23 = 31930638763333 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31930638763391) 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, 218895556 + ... + 219041378.
It is an arithmetic number, because the mean of its divisors is an integer number (1354766351904).
Almost surely, 231930638763341 is an apocalyptic number.
It is an amenable number.
31930638763341 is a deficient number, since it is larger than the sum of its proper divisors (11421884497587).
31930638763341 is a wasteful number, since it uses less digits than its factorization.
31930638763341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148101.
The product of its (nonzero) digits is 17635968, while the sum is 57.
The spelling of 31930638763341 in words is "thirty-one trillion, nine hundred thirty billion, six hundred thirty-eight million, seven hundred sixty-three thousand, three hundred forty-one".
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