Base | Representation |
---|---|
bin | 10100111001000001… |
… | …110001000101010100 |
3 | 2010220022000101201022 |
4 | 110321001301011110 |
5 | 331414442212410 |
6 | 14145511020312 |
7 | 1422606314405 |
oct | 247101610524 |
9 | 63808011638 |
10 | 22431600980 |
11 | 9571065908 |
12 | 442036a698 |
13 | 21663a9199 |
14 | 112b20d9ac |
15 | 8b4485455 |
hex | 539071154 |
22431600980 has 24 divisors (see below), whose sum is σ = 49877325288. Its totient is φ = 8444837888.
The previous prime is 22431600973. The next prime is 22431600991. The reversal of 22431600980 is 8900613422.
It can be written as a sum of positive squares in 4 ways, for example, as 203176516 + 22228424464 = 14254^2 + 149092^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 22431600980.
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, 32987309 + ... + 32987988.
It is an arithmetic number, because the mean of its divisors is an integer number (2078221887).
Almost surely, 222431600980 is an apocalyptic number.
22431600980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22431600980 is an abundant number, since it is smaller than the sum of its proper divisors (27445724308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22431600980 is a wasteful number, since it uses less digits than its factorization.
22431600980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65975323 (or 65975321 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 35.
The spelling of 22431600980 in words is "twenty-two billion, four hundred thirty-one million, six hundred thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •