Base | Representation |
---|---|
bin | 1110110110100110… |
… | …10101010011000000 |
3 | 202120201221122110110 |
4 | 13123103111103000 |
5 | 112312401324233 |
6 | 3355135431320 |
7 | 401415653232 |
oct | 73323252300 |
9 | 22521848413 |
10 | 7974245568 |
11 | 34222877a3 |
12 | 1666685540 |
13 | 9a10c6703 |
14 | 5590c2252 |
15 | 31a10e663 |
hex | 1db4d54c0 |
7974245568 has 56 divisors (see below), whose sum is σ = 21779138560. Its totient is φ = 2572335360.
The previous prime is 7974245551. The next prime is 7974245581. The reversal of 7974245568 is 8655424797.
It is a happy number.
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, 663928 + ... + 675831.
Almost surely, 27974245568 is an apocalyptic number.
It is an amenable number.
7974245568 is an abundant number, since it is smaller than the sum of its proper divisors (13804892992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7974245568 is a wasteful number, since it uses less digits than its factorization.
7974245568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1339805 (or 1339795 counting only the distinct ones).
The product of its digits is 16934400, while the sum is 57.
The square root of 7974245568 is about 89298.6313892884. The cubic root of 7974245568 is about 1997.8514901124.
The spelling of 7974245568 in words is "seven billion, nine hundred seventy-four million, two hundred forty-five thousand, five hundred sixty-eight".
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