Base | Representation |
---|---|
bin | 11100100110100001… |
… | …000100100100100000 |
3 | 2221021022010011101100 |
4 | 130212201010210200 |
5 | 1000344002143002 |
6 | 22035230434400 |
7 | 2135021656353 |
oct | 344641044440 |
9 | 87238104340 |
10 | 30710974752 |
11 | 1202a5a9977 |
12 | 5b51062a00 |
13 | 2b85777913 |
14 | 16b4a3c29a |
15 | beb26811c |
hex | 726844920 |
30710974752 has 72 divisors (see below), whose sum is σ = 88386624144. Its totient is φ = 10113646464.
The previous prime is 30710974747. The next prime is 30710974787. The reversal of 30710974752 is 25747901703.
It is a tau number, because it is divible by the number of its divisors (72).
It is a junction number, because it is equal to n+sod(n) for n = 30710974698 and 30710974707.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618478 + ... + 666285.
It is an arithmetic number, because the mean of its divisors is an integer number (1227592002).
Almost surely, 230710974752 is an apocalyptic number.
30710974752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30710974752 is an abundant number, since it is smaller than the sum of its proper divisors (57675649392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30710974752 is a wasteful number, since it uses less digits than its factorization.
30710974752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1284862 (or 1284851 counting only the distinct ones).
The product of its (nonzero) digits is 370440, while the sum is 45.
The spelling of 30710974752 in words is "thirty billion, seven hundred ten million, nine hundred seventy-four thousand, seven hundred fifty-two".
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