Base | Representation |
---|---|
bin | 11011111100110101… |
… | …010010011001101100 |
3 | 2212110120011211101202 |
4 | 123330311102121230 |
5 | 442430434144322 |
6 | 21442005225032 |
7 | 2111500441043 |
oct | 337465223154 |
9 | 85416154352 |
10 | 30011631212 |
11 | 11800868802 |
12 | 5996a02178 |
13 | 2aa3908284 |
14 | 1649bd555a |
15 | ba9b75292 |
hex | 6fcd5266c |
30011631212 has 6 divisors (see below), whose sum is σ = 52520354628. Its totient is φ = 15005815604.
The previous prime is 30011631211. The next prime is 30011631217. The reversal of 30011631212 is 21213611003.
It is not an unprimeable number, because it can be changed into a prime (30011631211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3751453898 + ... + 3751453905.
It is an arithmetic number, because the mean of its divisors is an integer number (8753392438).
Almost surely, 230011631212 is an apocalyptic number.
It is an amenable number.
30011631212 is a deficient number, since it is larger than the sum of its proper divisors (22508723416).
30011631212 is a wasteful number, since it uses less digits than its factorization.
30011631212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7502907807 (or 7502907805 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
The spelling of 30011631212 in words is "thirty billion, eleven million, six hundred thirty-one thousand, two hundred twelve".
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