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22707066431 = 724714966173
BaseRepresentation
bin10101001001011100…
…100101011000111111
32011121111100111021102
4111021130211120333
5333001002111211
614233111123315
71432462610600
oct251134453077
964544314242
1022707066431
1196a2602105
12449867353b
1321ab4968aa
141155a37da7
158cd749a3b
hex54972563f

22707066431 has 24 divisors (see below), whose sum is σ = 27157809600. Its totient is φ = 18920956992.

The previous prime is 22707066377. The next prime is 22707066433. The reversal of 22707066431 is 13466070722.

It is a de Polignac number, because none of the positive numbers 2k-22707066431 is a prime.

It is a super-2 number, since 2×227070664312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22707066433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310061 + ... + 376233.

It is an arithmetic number, because the mean of its divisors is an integer number (1131575400).

Almost surely, 222707066431 is an apocalyptic number.

22707066431 is a deficient number, since it is larger than the sum of its proper divisors (4450743169).

22707066431 is a wasteful number, since it uses less digits than its factorization.

22707066431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66383 (or 66376 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 22707066431 in words is "twenty-two billion, seven hundred seven million, sixty-six thousand, four hundred thirty-one".

Divisors: 1 7 47 49 149 329 1043 2303 7003 7301 49021 66173 343147 463211 3110131 3242477 9859777 21770917 69018439 152396419 463409519 483129073 3243866633 22707066431