Base | Representation |
---|---|
bin | 11100000101001011… |
… | …000000110101100100 |
3 | 2212211022110010212221 |
4 | 130011023000311210 |
5 | 443222243403124 |
6 | 21503524122124 |
7 | 2115116616400 |
oct | 340513006544 |
9 | 85738403787 |
10 | 30151544164 |
11 | 11872840445 |
12 | 5a15836344 |
13 | 2ac68b4ac1 |
14 | 1660616100 |
15 | bb70b0ce4 |
hex | 7052c0d64 |
30151544164 has 81 divisors (see below), whose sum is σ = 62565213753. Its totient is φ = 12677255136.
The previous prime is 30151544161. The next prime is 30151544173. The reversal of 30151544164 is 46144515103.
The square root of 30151544164 is 173642.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 8837880100 + 21313664064 = 94010^2 + 145992^2 .
It is not an unprimeable number, because it can be changed into a prime (30151544161) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 192047974 + ... + 192048130.
Almost surely, 230151544164 is an apocalyptic number.
30151544164 is the 173642-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30151544164
30151544164 is an abundant number, since it is smaller than the sum of its proper divisors (32413669589).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30151544164 is an equidigital number, since it uses as much as digits as its factorization.
30151544164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490 (or 245 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 34.
The spelling of 30151544164 in words is "thirty billion, one hundred fifty-one million, five hundred forty-four thousand, one hundred sixty-four".
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