Base | Representation |
---|---|
bin | 11100100001110110… |
… | …010110010000100000 |
3 | 2221001211202200011112 |
4 | 130201312112100200 |
5 | 1000213430304034 |
6 | 22023352202452 |
7 | 2133051236363 |
oct | 344166262040 |
9 | 87054680145 |
10 | 30632666144 |
11 | 11a9a383513 |
12 | 5b2a999428 |
13 | 2b7248a372 |
14 | 16a84960da |
15 | be444a7ce |
hex | 721d96420 |
30632666144 has 12 divisors (see below), whose sum is σ = 60308061534. Its totient is φ = 15316333056.
The previous prime is 30632666143. The next prime is 30632666147. The reversal of 30632666144 is 44166623603.
It can be written as a sum of positive squares in only one way, i.e., 29645952400 + 986713744 = 172180^2 + 31412^2 .
It is not an unprimeable number, because it can be changed into a prime (30632666143) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478635377 + ... + 478635440.
Almost surely, 230632666144 is an apocalyptic number.
It is an amenable number.
30632666144 is a deficient number, since it is larger than the sum of its proper divisors (29675395390).
30632666144 is an equidigital number, since it uses as much as digits as its factorization.
30632666144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 957270827 (or 957270819 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 41.
The spelling of 30632666144 in words is "thirty billion, six hundred thirty-two million, six hundred sixty-six thousand, one hundred forty-four".
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