Base | Representation |
---|---|
bin | 10100110110101100… |
… | …000100011100100000 |
3 | 2010210120011200102002 |
4 | 110312230010130200 |
5 | 331324420434223 |
6 | 14141545543132 |
7 | 1421621623400 |
oct | 246654043440 |
9 | 63716150362 |
10 | 22392358688 |
11 | 95509a2567 |
12 | 440b1a4aa8 |
13 | 215b2194ab |
14 | 1125d16800 |
15 | 8b0cd2e28 |
hex | 536b04720 |
22392358688 has 54 divisors (see below), whose sum is σ = 51296074011. Its totient is φ = 9594185664.
The previous prime is 22392358687. The next prime is 22392358759. The reversal of 22392358688 is 88685329322.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 11196179344 + 11196179344 = 105812^2 + 105812^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=105812.
It is a super-2 number, since 2×223923586882 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (56).
It is not an unprimeable number, because it can be changed into a prime (22392358687) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5923583 + ... + 5927361.
Almost surely, 222392358688 is an apocalyptic number.
22392358688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
22392358688 is an abundant number, since it is smaller than the sum of its proper divisors (28903715323).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22392358688 is an frugal number, since it uses more digits than its factorization.
22392358688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7582 (or 3788 counting only the distinct ones).
The product of its digits is 9953280, while the sum is 56.
The spelling of 22392358688 in words is "twenty-two billion, three hundred ninety-two million, three hundred fifty-eight thousand, six hundred eighty-eight".
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