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232385559381 = 32109236886401
BaseRepresentation
bin1101100001101101000…
…0100011101101010101
3211012211100102120010200
43120123100203231111
512301411200400011
6254431221011113
722534505443323
oct3303320435525
9735740376120
10232385559381
118a610654308
1239055553a99
1318bb59b5071
14b3672aad13
1560a1720856
hex361b423b55

232385559381 has 12 divisors (see below), whose sum is σ = 338747554860. Its totient is φ = 153502387200.

The previous prime is 232385559331. The next prime is 232385559397. The reversal of 232385559381 is 183955583232.

It is a happy number.

232385559381 is a `hidden beast` number, since 2 + 3 + 2 + 3 + 8 + 5 + 559 + 3 + 81 = 666.

232385559381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 183205400625 + 49180158756 = 428025^2 + 221766^2 .

It is not a de Polignac number, because 232385559381 - 215 = 232385526613 is a prime.

It is a super-2 number, since 2×2323855593812 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232385559331) 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 11 ways as a sum of consecutive naturals, for example, 118442220 + ... + 118444181.

It is an arithmetic number, because the mean of its divisors is an integer number (28228962905).

Almost surely, 2232385559381 is an apocalyptic number.

It is an amenable number.

232385559381 is a deficient number, since it is larger than the sum of its proper divisors (106361995479).

232385559381 is a wasteful number, since it uses less digits than its factorization.

232385559381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236886516 (or 236886513 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 232385559381 in words is "two hundred thirty-two billion, three hundred eighty-five million, five hundred fifty-nine thousand, three hundred eighty-one".

Divisors: 1 3 9 109 327 981 236886401 710659203 2131977609 25820617709 77461853127 232385559381