Base | Representation |
---|---|
bin | 11101001011010001… |
… | …100101101000010000 |
3 | 2222212021112200010120 |
4 | 131023101211220100 |
5 | 1003124341012343 |
6 | 22220340430240 |
7 | 2156220553113 |
oct | 351321455020 |
9 | 88767480116 |
10 | 31327672848 |
11 | 1231672231a |
12 | 60a36a8380 |
13 | 2c5346ba34 |
14 | 17328d057a |
15 | c35483683 |
hex | 74b465a10 |
31327672848 has 40 divisors (see below), whose sum is σ = 80939760000. Its totient is φ = 10441275264.
The previous prime is 31327672781. The next prime is 31327672867. The reversal of 31327672848 is 84827672313.
It is a super-2 number, since 2×313276728482 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 31327672848.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406078 + ... + 477026.
It is an arithmetic number, because the mean of its divisors is an integer number (2023494000).
Almost surely, 231327672848 is an apocalyptic number.
It is an amenable number.
31327672848 is an abundant number, since it is smaller than the sum of its proper divisors (49612087152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31327672848 is a wasteful number, since it uses less digits than its factorization.
31327672848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80159 (or 80153 counting only the distinct ones).
The product of its digits is 2709504, while the sum is 51.
The spelling of 31327672848 in words is "thirty-one billion, three hundred twenty-seven million, six hundred seventy-two thousand, eight hundred forty-eight".
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