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23056378611 = 372404938737
BaseRepresentation
bin10101011110010001…
…000110101011110011
32012111211122101111120
4111132101012223303
5334204413103421
614331510113323
71444233661500
oct253621065363
965454571446
1023056378611
1198617a7562
12457564b843
13223596b9a6
14118a1a64a7
158ee2498c6
hex55e446af3

23056378611 has 24 divisors (see below), whose sum is σ = 35770669200. Its totient is φ = 13171479552.

The previous prime is 23056378607. The next prime is 23056378633. The reversal of 23056378611 is 11687365032.

It is not a de Polignac number, because 23056378611 - 22 = 23056378607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23056370611) 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, 575835 + ... + 614571.

It is an arithmetic number, because the mean of its divisors is an integer number (1490444550).

Almost surely, 223056378611 is an apocalyptic number.

23056378611 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23056378611 is a deficient number, since it is larger than the sum of its proper divisors (12714290589).

23056378611 is a wasteful number, since it uses less digits than its factorization.

23056378611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42803 (or 42796 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 23056378611 in words is "twenty-three billion, fifty-six million, three hundred seventy-eight thousand, six hundred eleven".

Divisors: 1 3 7 21 49 147 4049 12147 28343 38737 85029 116211 198401 271159 595203 813477 1898113 5694339 156846113 470538339 1097922791 3293768373 7685459537 23056378611