Base | Representation |
---|---|
bin | 11100001001100001… |
… | …001010000101100000 |
3 | 2220000101122112222100 |
4 | 130021201022011200 |
5 | 443344430124310 |
6 | 21515051010400 |
7 | 2116663440405 |
oct | 341141120540 |
9 | 86011575870 |
10 | 30224458080 |
11 | 118aaa11783 |
12 | 5a36139a00 |
13 | 2b08a33a2b |
14 | 166a1962ac |
15 | bbd6b4ec0 |
hex | 70984a160 |
30224458080 has 72 divisors (see below), whose sum is σ = 103140968112. Its totient is φ = 8059855104.
The previous prime is 30224458067. The next prime is 30224458081. The reversal of 30224458080 is 8085442203.
30224458080 is a `hidden beast` number, since 30 + 2 + 2 + 44 + 580 + 8 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30224458081) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10493164 + ... + 10496043.
It is an arithmetic number, because the mean of its divisors is an integer number (1432513446).
Almost surely, 230224458080 is an apocalyptic number.
30224458080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30224458080 is an abundant number, since it is smaller than the sum of its proper divisors (72916510032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30224458080 is a wasteful number, since it uses less digits than its factorization.
30224458080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20989228 (or 20989217 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 36.
The spelling of 30224458080 in words is "thirty billion, two hundred twenty-four million, four hundred fifty-eight thousand, eighty".
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