Base | Representation |
---|---|
bin | 10100110101110101… |
… | …001011101110001000 |
3 | 2010202120002200121202 |
4 | 110311311023232020 |
5 | 331312230024233 |
6 | 14140313323332 |
7 | 1421355416462 |
oct | 246565135610 |
9 | 63676080552 |
10 | 22377970568 |
11 | 9543865558 |
12 | 4406406548 |
13 | 215824c505 |
14 | 112404d132 |
15 | 8ae8debe8 |
hex | 535d4bb88 |
22377970568 has 12 divisors (see below), whose sum is σ = 41959488165. Its totient is φ = 11188773728.
The previous prime is 22377970561. The next prime is 22377970579. The reversal of 22377970568 is 86507977322.
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 2 ways, for example, as 21544955524 + 833015044 = 146782^2 + 28862^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=105778.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22377970561) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 396668 + ... + 449556.
Almost surely, 222377970568 is an apocalyptic number.
It is an amenable number.
22377970568 is a deficient number, since it is larger than the sum of its proper divisors (19581517597).
22377970568 is an frugal number, since it uses more digits than its factorization.
22377970568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105784 (or 52891 counting only the distinct ones).
The product of its (nonzero) digits is 8890560, while the sum is 56.
The spelling of 22377970568 in words is "twenty-two billion, three hundred seventy-seven million, nine hundred seventy thousand, five hundred sixty-eight".
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