Base | Representation |
---|---|
bin | 11100101110010101… |
… | …000010100100011100 |
3 | 2221121102201220010022 |
4 | 130232111002210130 |
5 | 1001131030213211 |
6 | 22100231531312 |
7 | 2141203000520 |
oct | 345625024434 |
9 | 87542656108 |
10 | 30842038556 |
11 | 1209758806a |
12 | 5b88b29b38 |
13 | 2ba6976674 |
14 | 16c81d7d80 |
15 | c07a06bdb |
hex | 72e54291c |
30842038556 has 12 divisors (see below), whose sum is σ = 61684077168. Its totient is φ = 13218016512.
The previous prime is 30842038547. The next prime is 30842038597. The reversal of 30842038556 is 65583024803.
30842038556 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550750661 + ... + 550750716.
It is an arithmetic number, because the mean of its divisors is an integer number (5140339764).
Almost surely, 230842038556 is an apocalyptic number.
It is an amenable number.
30842038556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30842038556 is a wasteful number, since it uses less digits than its factorization.
30842038556 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1101501388 (or 1101501386 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 44.
The spelling of 30842038556 in words is "thirty billion, eight hundred forty-two million, thirty-eight thousand, five hundred fifty-six".
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