Base | Representation |
---|---|
bin | 10101000111110111… |
… | …101011101100101000 |
3 | 2011112122120122201110 |
4 | 111013313223230220 |
5 | 332422214200340 |
6 | 14230324150320 |
7 | 1432022024040 |
oct | 250767535450 |
9 | 64478518643 |
10 | 22680615720 |
11 | 9689686314 |
12 | 448b8383a0 |
13 | 21a5b65299 |
14 | 1152310720 |
15 | 8cb272680 |
hex | 547debb28 |
22680615720 has 64 divisors (see below), whose sum is σ = 77762113920. Its totient is φ = 5184140544.
The previous prime is 22680615691. The next prime is 22680615733. The reversal of 22680615720 is 2751608622.
It is a super-2 number, since 2×226806157202 (a number of 22 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct 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, 13499527 + ... + 13501206.
It is an arithmetic number, because the mean of its divisors is an integer number (1215033030).
Almost surely, 222680615720 is an apocalyptic number.
22680615720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22680615720 is an abundant number, since it is smaller than the sum of its proper divisors (55081498200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22680615720 is a wasteful number, since it uses less digits than its factorization.
22680615720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27000754 (or 27000750 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The spelling of 22680615720 in words is "twenty-two billion, six hundred eighty million, six hundred fifteen thousand, seven hundred twenty".
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