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22023872257 = 223257384287
BaseRepresentation
bin10100100000101110…
…011001111100000001
32002211212210122001111
4110200232121330001
5330101102403012
614041224003321
71406525553052
oct244056317401
962755718044
1022023872257
1193819a1222
124327900541
1320cca8ca9a
1410ccdd6729
1588d796ba7
hex520b99f01

22023872257 has 8 divisors (see below), whose sum is σ = 22208772096. Its totient is φ = 21839741952.

The previous prime is 22023872251. The next prime is 22023872291. The reversal of 22023872257 is 75227832022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22023872257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22023872251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134833 + ... + 249454.

It is an arithmetic number, because the mean of its divisors is an integer number (2776096512).

Almost surely, 222023872257 is an apocalyptic number.

It is an amenable number.

22023872257 is a deficient number, since it is larger than the sum of its proper divisors (184899839).

22023872257 is a wasteful number, since it uses less digits than its factorization.

22023872257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384767.

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 22023872257 in words is "twenty-two billion, twenty-three million, eight hundred seventy-two thousand, two hundred fifty-seven".

Divisors: 1 223 257 57311 384287 85696001 98761759 22023872257