Base | Representation |
---|---|
bin | 11100111111000101… |
… | …010001111101111110 |
3 | 2222100000122022101002 |
4 | 130333011101331332 |
5 | 1002220004314443 |
6 | 22144152250302 |
7 | 2151155104115 |
oct | 347705217576 |
9 | 88300568332 |
10 | 31123119998 |
11 | 1222120a783 |
12 | 60470a0992 |
13 | 2c1cc7c349 |
14 | 1713684c7c |
15 | c2252a2b8 |
hex | 73f151f7e |
31123119998 has 8 divisors (see below), whose sum is σ = 46757286408. Its totient is φ = 15537357864.
The previous prime is 31123119997. The next prime is 31123120001. The reversal of 31123119998 is 89991132113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31123119991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12099461 + ... + 12102032.
It is an arithmetic number, because the mean of its divisors is an integer number (5844660801).
Almost surely, 231123119998 is an apocalyptic number.
31123119998 is a deficient number, since it is larger than the sum of its proper divisors (15634166410).
31123119998 is a wasteful number, since it uses less digits than its factorization.
31123119998 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24202138.
The product of its digits is 104976, while the sum is 47.
The spelling of 31123119998 in words is "thirty-one billion, one hundred twenty-three million, one hundred nineteen thousand, nine hundred ninety-eight".
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