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22415531023 = 104772139499
BaseRepresentation
bin10100111000000100…
…011101110000001111
32010212011202221212201
4110320010131300033
5331401333443043
614144134342331
71422322604254
oct247004356017
963764687781
1022415531023
119562a8a256
124416aba9a7
132162c70832
14112902942b
158b2d5dc4d
hex53811dc0f

22415531023 has 4 divisors (see below), whose sum is σ = 22417681000. Its totient is φ = 22413381048.

The previous prime is 22415531009. The next prime is 22415531027. The reversal of 22415531023 is 32013551422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22415531023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22415530982 and 22415531000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22415531027) 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, 1059273 + ... + 1080226.

It is an arithmetic number, because the mean of its divisors is an integer number (5604420250).

Almost surely, 222415531023 is an apocalyptic number.

22415531023 is a deficient number, since it is larger than the sum of its proper divisors (2149977).

22415531023 is a wasteful number, since it uses less digits than its factorization.

22415531023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149976.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 22415531023 in words is "twenty-two billion, four hundred fifteen million, five hundred thirty-one thousand, twenty-three".

Divisors: 1 10477 2139499 22415531023