Base | Representation |
---|---|
bin | 10101000101010101… |
… | …000101100001110000 |
3 | 2011102200101011000221 |
4 | 111011111011201300 |
5 | 332330311221143 |
6 | 14222202422424 |
7 | 1430663520550 |
oct | 250525054160 |
9 | 64380334027 |
10 | 22637992048 |
11 | 9667613541 |
12 | 4479501a14 |
13 | 219a090489 |
14 | 114a7b7160 |
15 | 8c76532ed |
hex | 545545870 |
22637992048 has 80 divisors (see below), whose sum is σ = 51962388480. Its totient is φ = 9349401600.
The previous prime is 22637992009. The next prime is 22637992061. The reversal of 22637992048 is 84029973622.
It is a super-2 number, since 2×226379920482 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22637991986 and 22637992004.
It is a congruent number.
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, 816168 + ... + 843448.
It is an arithmetic number, because the mean of its divisors is an integer number (649529856).
Almost surely, 222637992048 is an apocalyptic number.
22637992048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22637992048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25981194240).
22637992048 is an abundant number, since it is smaller than the sum of its proper divisors (29324396432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22637992048 is a wasteful number, since it uses less digits than its factorization.
22637992048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27566 (or 27560 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 52.
The spelling of 22637992048 in words is "twenty-two billion, six hundred thirty-seven million, nine hundred ninety-two thousand, forty-eight".
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