Base | Representation |
---|---|
bin | 11100100111011110… |
… | …001110010111001100 |
3 | 2221022102021121122002 |
4 | 130213132032113030 |
5 | 1000412103140034 |
6 | 22041002211432 |
7 | 2135305144556 |
oct | 344736162714 |
9 | 87272247562 |
10 | 30727005644 |
11 | 12038659145 |
12 | 5b564b3b78 |
13 | 2b88b9b55a |
14 | 16b6c124d6 |
15 | bec882e7e |
hex | 72778e5cc |
30727005644 has 24 divisors (see below), whose sum is σ = 56130917808. Its totient is φ = 14703215040.
The previous prime is 30727005587. The next prime is 30727005671. The reversal of 30727005644 is 44650072703.
It is a junction number, because it is equal to n+sod(n) for n = 30727005598 and 30727005607.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692734 + ... + 1710789.
It is an arithmetic number, because the mean of its divisors is an integer number (2338788242).
Almost surely, 230727005644 is an apocalyptic number.
It is an amenable number.
30727005644 is a deficient number, since it is larger than the sum of its proper divisors (25403912164).
30727005644 is a wasteful number, since it uses less digits than its factorization.
30727005644 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3403625 (or 3403623 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 38.
The spelling of 30727005644 in words is "thirty billion, seven hundred twenty-seven million, five thousand, six hundred forty-four".
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