Base | Representation |
---|---|
bin | 11100100100000101… |
… | …001011001111111100 |
3 | 2221011110012220020202 |
4 | 130210011023033330 |
5 | 1000303021421034 |
6 | 22031210503032 |
7 | 2134014420311 |
oct | 344405131774 |
9 | 87143186222 |
10 | 30670107644 |
11 | 12009526900 |
12 | 5b3b434a78 |
13 | 2b7a1694b7 |
14 | 16ad440d08 |
15 | be789447e |
hex | 72414b3fc |
30670107644 has 18 divisors (see below), whose sum is σ = 58995600552. Its totient is φ = 13940957800.
The previous prime is 30670107571. The next prime is 30670107679. The reversal of 30670107644 is 44670107603.
It is a junction number, because it is equal to n+sod(n) for n = 30670107598 and 30670107607.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31683512 + ... + 31684479.
It is an arithmetic number, because the mean of its divisors is an integer number (3277533364).
Almost surely, 230670107644 is an apocalyptic number.
It is an amenable number.
30670107644 is a deficient number, since it is larger than the sum of its proper divisors (28325492908).
30670107644 is a wasteful number, since it uses less digits than its factorization.
30670107644 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63368017 (or 63368004 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 38.
The spelling of 30670107644 in words is "thirty billion, six hundred seventy million, one hundred seven thousand, six hundred forty-four".
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