Base | Representation |
---|---|
bin | 11100110100001011… |
… | …001110111110110010 |
3 | 2221212021022112000001 |
4 | 130310023032332302 |
5 | 1001331133200000 |
6 | 22114054220214 |
7 | 2143503530200 |
oct | 346413167662 |
9 | 87767275001 |
10 | 30940131250 |
11 | 12137996606 |
12 | 5bb595466a |
13 | 2bc109cc92 |
14 | 16d7250070 |
15 | c1143146a |
hex | 7342cefb2 |
30940131250 has 144 divisors (see below), whose sum is σ = 69678040320. Its totient is φ = 10262700000.
The previous prime is 30940131247. The next prime is 30940131253. The reversal of 30940131250 is 5213104903.
It is an interprime number because it is at equal distance from previous prime (30940131247) and next prime (30940131253).
It is not an unprimeable number, because it can be changed into a prime (30940131253) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9492121 + ... + 9495379.
It is an arithmetic number, because the mean of its divisors is an integer number (483875280).
Almost surely, 230940131250 is an apocalyptic number.
30940131250 is an abundant number, since it is smaller than the sum of its proper divisors (38737909070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30940131250 is an equidigital number, since it uses as much as digits as its factorization.
30940131250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3331 (or 3304 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 28.
The spelling of 30940131250 in words is "thirty billion, nine hundred forty million, one hundred thirty-one thousand, two hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •