Base | Representation |
---|---|
bin | 1101101110000110101100… |
… | …01110101011010101101100 |
3 | 10221211100202211200122122201 |
4 | 12313003112032223111230 |
5 | 12423312104240140420 |
6 | 144100323100551244 |
7 | 6232546343265535 |
oct | 667032616532554 |
9 | 127740684618581 |
10 | 30171444458860 |
11 | 9682701913581 |
12 | 3473517852524 |
13 | 13ab202710003 |
14 | 76443cbc968c |
15 | 374c6634c10a |
hex | 1b70d63ab56c |
30171444458860 has 48 divisors (see below), whose sum is σ = 64177235347680. Its totient is φ = 11913629414400.
The previous prime is 30171444458843. The next prime is 30171444458899. The reversal of 30171444458860 is 6885444417103.
It is a happy number.
It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21480030 + ... + 22841509.
It is an arithmetic number, because the mean of its divisors is an integer number (1337025736410).
Almost surely, 230171444458860 is an apocalyptic number.
It is an amenable number.
30171444458860 is an abundant number, since it is smaller than the sum of its proper divisors (34005790888820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30171444458860 is a wasteful number, since it uses less digits than its factorization.
30171444458860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44321986 (or 44321984 counting only the distinct ones).
The product of its (nonzero) digits is 10321920, while the sum is 55.
The spelling of 30171444458860 in words is "thirty trillion, one hundred seventy-one billion, four hundred forty-four million, four hundred fifty-eight thousand, eight hundred sixty".
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