Base | Representation |
---|---|
bin | 11100111111011100… |
… | …100010000000000110 |
3 | 2222100110002222010020 |
4 | 130333130202000012 |
5 | 1002223034334412 |
6 | 22144531040010 |
7 | 2151260650545 |
oct | 347734420006 |
9 | 88313088106 |
10 | 31129214982 |
11 | 122246a2a58 |
12 | 6049140006 |
13 | 2c21304648 |
14 | 17143d015c |
15 | c22d3118c |
hex | 73f722006 |
31129214982 has 8 divisors (see below), whose sum is σ = 62258429976. Its totient is φ = 10376404992.
The previous prime is 31129214951. The next prime is 31129215097. The reversal of 31129214982 is 28941292113.
It is a sphenic number, since it is the product of 3 distinct primes.
31129214982 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594101243 + ... + 2594101254.
It is an arithmetic number, because the mean of its divisors is an integer number (7782303747).
Almost surely, 231129214982 is an apocalyptic number.
31129214982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31129214982 is a wasteful number, since it uses less digits than its factorization.
31129214982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5188202502.
The product of its digits is 62208, while the sum is 42.
The spelling of 31129214982 in words is "thirty-one billion, one hundred twenty-nine million, two hundred fourteen thousand, nine hundred eighty-two".
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