Base | Representation |
---|---|
bin | 11011111100111010… |
… | …101000001100101010 |
3 | 2212110122210221211112 |
4 | 123330322220030222 |
5 | 442431313444320 |
6 | 21442055230322 |
7 | 2111515361501 |
oct | 337472501452 |
9 | 85418727745 |
10 | 30013031210 |
11 | 11801634628 |
12 | 59973783a2 |
13 | 2aa3ca8586 |
14 | 164a07b838 |
15 | ba9d4eec5 |
hex | 6fcea832a |
30013031210 has 32 divisors (see below), whose sum is σ = 55381309632. Its totient is φ = 11704492800.
The previous prime is 30013031203. The next prime is 30013031231. The reversal of 30013031210 is 1213031003.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171410 + ... + 299010.
It is an arithmetic number, because the mean of its divisors is an integer number (1730665926).
Almost surely, 230013031210 is an apocalyptic number.
30013031210 is a deficient number, since it is larger than the sum of its proper divisors (25368278422).
30013031210 is a wasteful number, since it uses less digits than its factorization.
30013031210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128198.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 30013031210 its reverse (1213031003), we get a palindrome (31226062213).
The spelling of 30013031210 in words is "thirty billion, thirteen million, thirty-one thousand, two hundred ten".
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