Base | Representation |
---|---|
bin | 11100111100100000… |
… | …010011110010110000 |
3 | 2222020000021011121210 |
4 | 130330200103302300 |
5 | 1002122421424322 |
6 | 22140005320120 |
7 | 2150121365466 |
oct | 347440236260 |
9 | 88200234553 |
10 | 31079873712 |
11 | 121a9862148 |
12 | 6034706040 |
13 | 2c1401a024 |
14 | 170ba28836 |
15 | c1d83670c |
hex | 73c813cb0 |
31079873712 has 40 divisors (see below), whose sum is σ = 80319033856. Its totient is φ = 10356169536.
The previous prime is 31079873689. The next prime is 31079873731. The reversal of 31079873712 is 21737897013.
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 15813 + ... + 249819.
Almost surely, 231079873712 is an apocalyptic number.
It is an amenable number.
31079873712 is an abundant number, since it is smaller than the sum of its proper divisors (49239160144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31079873712 is a wasteful number, since it uses less digits than its factorization.
31079873712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236785 (or 236779 counting only the distinct ones).
The product of its (nonzero) digits is 444528, while the sum is 48.
The spelling of 31079873712 in words is "thirty-one billion, seventy-nine million, eight hundred seventy-three thousand, seven hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •