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23312112255 = 34557560771
BaseRepresentation
bin10101101101100000…
…101001101001111111
32020011122212000010000
4111231200221221333
5340220400043010
614413123245343
71453460453565
oct255540515177
966148760100
1023312112255
119983096a83
124627219853
13227693b083
1411b2135a35
159169127c0
hex56d829a7f

23312112255 has 20 divisors (see below), whose sum is σ = 41789120472. Its totient is φ = 12433126320.

The previous prime is 23312112217. The next prime is 23312112259. The reversal of 23312112255 is 55221121332.

It is not a de Polignac number, because 23312112255 - 220 = 23311063679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312112259) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28779981 + ... + 28780790.

Almost surely, 223312112255 is an apocalyptic number.

23312112255 is a deficient number, since it is larger than the sum of its proper divisors (18477008217).

23312112255 is an equidigital number, since it uses as much as digits as its factorization.

23312112255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57560788 (or 57560779 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

Adding to 23312112255 its reverse (55221121332), we get a palindrome (78533233587).

The spelling of 23312112255 in words is "twenty-three billion, three hundred twelve million, one hundred twelve thousand, two hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 57560771 172682313 287803855 518046939 863411565 1554140817 2590234695 4662422451 7770704085 23312112255