Base | Representation |
---|---|
bin | 10101010101111000… |
… | …001101001101101100 |
3 | 2012011000210211020020 |
4 | 111111320031031230 |
5 | 333412400242103 |
6 | 14305521322140 |
7 | 1440604450440 |
oct | 252570151554 |
9 | 65130724206 |
10 | 22915634028 |
11 | 979a307021 |
12 | 4536496350 |
13 | 2212760781 |
14 | 117560a820 |
15 | 8e1be7753 |
hex | 555e0d36c |
22915634028 has 96 divisors (see below), whose sum is σ = 61812979200. Its totient is φ = 6472098816.
The previous prime is 22915634017. The next prime is 22915634051. The reversal of 22915634028 is 82043651922.
It is a super-3 number, since 3×229156340283 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4572388 + ... + 4577396.
It is an arithmetic number, because the mean of its divisors is an integer number (643885200).
Almost surely, 222915634028 is an apocalyptic number.
22915634028 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 22915634028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30906489600).
22915634028 is an abundant number, since it is smaller than the sum of its proper divisors (38897345172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22915634028 is a wasteful number, since it uses less digits than its factorization.
22915634028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5639 (or 5637 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 42.
The spelling of 22915634028 in words is "twenty-two billion, nine hundred fifteen million, six hundred thirty-four thousand, twenty-eight".
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