Base | Representation |
---|---|
bin | 10101000011011010… |
… | …101101111101110001 |
3 | 2011100110000102011221 |
4 | 111003122231331301 |
5 | 332244103221334 |
6 | 14215055105041 |
7 | 1430124045502 |
oct | 250332557561 |
9 | 64313012157 |
10 | 22605913969 |
11 | 96504a3831 |
12 | 446a812181 |
13 | 219353b672 |
14 | 1146426ba9 |
15 | 8c49188b4 |
hex | 5436adf71 |
22605913969 has 4 divisors (see below), whose sum is σ = 22665560560. Its totient is φ = 22546267380.
The previous prime is 22605913949. The next prime is 22605913973. The reversal of 22605913969 is 96931950622.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 22605913969 - 215 = 22605881201 is a prime.
It is a super-2 number, since 2×226059139692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22605913949) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29822727 + ... + 29823484.
It is an arithmetic number, because the mean of its divisors is an integer number (5666390140).
Almost surely, 222605913969 is an apocalyptic number.
It is an amenable number.
22605913969 is a deficient number, since it is larger than the sum of its proper divisors (59646591).
22605913969 is an equidigital number, since it uses as much as digits as its factorization.
22605913969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59646590.
The product of its (nonzero) digits is 1574640, while the sum is 52.
The spelling of 22605913969 in words is "twenty-two billion, six hundred five million, nine hundred thirteen thousand, nine hundred sixty-nine".
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