Base | Representation |
---|---|
bin | 11100000101011010… |
… | …010111010101010000 |
3 | 2212211121000121012002 |
4 | 130011122113111100 |
5 | 443224311142324 |
6 | 21504150253132 |
7 | 2115166050140 |
oct | 340532272520 |
9 | 85747017162 |
10 | 30155568464 |
11 | 11875039a0a |
12 | 5a170571a8 |
13 | 2ac7693748 |
14 | 1660d82920 |
15 | bb76083ae |
hex | 705697550 |
30155568464 has 40 divisors (see below), whose sum is σ = 66787386048. Its totient is φ = 12921039360.
The previous prime is 30155568403. The next prime is 30155568551. The reversal of 30155568464 is 46486555103.
It is a congruent 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, 545624 + ... + 598344.
Almost surely, 230155568464 is an apocalyptic number.
It is an amenable number.
30155568464 is an abundant number, since it is smaller than the sum of its proper divisors (36631817584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30155568464 is a wasteful number, since it uses less digits than its factorization.
30155568464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57843 (or 57837 counting only the distinct ones).
The product of its (nonzero) digits is 1728000, while the sum is 47.
The spelling of 30155568464 in words is "thirty billion, one hundred fifty-five million, five hundred sixty-eight thousand, four hundred sixty-four".
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