Base | Representation |
---|---|
bin | 11101001011101101… |
… | …110000100110001000 |
3 | 2222212210102212101022 |
4 | 131023231300212020 |
5 | 1003133233322200 |
6 | 22221203012012 |
7 | 2156340411434 |
oct | 351355604610 |
9 | 88783385338 |
10 | 31335057800 |
11 | 1231a906792 |
12 | 60a606a008 |
13 | 2c54b56227 |
14 | 17338939c4 |
15 | c35e41885 |
hex | 74bb70988 |
31335057800 has 36 divisors (see below), whose sum is σ = 72859830255. Its totient is φ = 12533021760.
The previous prime is 31335057769. The next prime is 31335057829. The reversal of 31335057800 is 875053313.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 26743369156 + 4591688644 = 163534^2 + 67762^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=125170.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2497142 + ... + 2509658.
Almost surely, 231335057800 is an apocalyptic number.
It is an amenable number.
31335057800 is an abundant number, since it is smaller than the sum of its proper divisors (41524772455).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31335057800 is an frugal number, since it uses more digits than its factorization.
31335057800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25050 (or 12524 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 35.
The spelling of 31335057800 in words is "thirty-one billion, three hundred thirty-five million, fifty-seven thousand, eight hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •