Base | Representation |
---|---|
bin | 10100101010000001… |
… | …110111111110010010 |
3 | 2010020202112021020000 |
4 | 110222001313332102 |
5 | 330411033032322 |
6 | 14104521430430 |
7 | 1413432433242 |
oct | 245201677622 |
9 | 63222467200 |
10 | 22179970962 |
11 | 9452019516 |
12 | 437003b416 |
13 | 2126215896 |
14 | 1105a2bb22 |
15 | 89c32d3ac |
hex | 52a077f92 |
22179970962 has 30 divisors (see below), whose sum is σ = 49703812389. Its totient is φ = 7392691800.
The previous prime is 22179970937. The next prime is 22179970963. The reversal of 22179970962 is 26907997122.
It can be written as a sum of positive squares in 2 ways, for example, as 20243882961 + 1936088001 = 142281^2 + 44001^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=105309.
It is a super-2 number, since 2×221799709622 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 22179970899 and 22179970908.
It is not an unprimeable number, because it can be changed into a prime (22179970963) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1889712 + ... + 1901412.
Almost surely, 222179970962 is an apocalyptic number.
22179970962 is an abundant number, since it is smaller than the sum of its proper divisors (27523841427).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22179970962 is an frugal number, since it uses more digits than its factorization.
22179970962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23416 (or 11706 counting only the distinct ones).
The product of its (nonzero) digits is 1714608, while the sum is 54.
The spelling of 22179970962 in words is "twenty-two billion, one hundred seventy-nine million, nine hundred seventy thousand, nine hundred sixty-two".
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