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12312310110 = 2351210933893
BaseRepresentation
bin10110111011101111…
…01111000101011110
31011210001210011021120
423131313233011132
5200203422410420
65353423311410
7614052623562
oct133567570536
934701704246
1012312310110
115248a83901
12247744b566
131212a827c9
1484b2b76a2
154c0db1d40
hex2dddef15e

12312310110 has 32 divisors (see below), whose sum is σ = 29552856480. Its totient is φ = 3282914688.

The previous prime is 12312310079. The next prime is 12312310111. The reversal of 12312310110 is 1101321321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12312310110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312310111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346324 + ... + 380216.

It is an arithmetic number, because the mean of its divisors is an integer number (923526765).

Almost surely, 212312310110 is an apocalyptic number.

12312310110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312310110 is an abundant number, since it is smaller than the sum of its proper divisors (17240546370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12312310110 is a wasteful number, since it uses less digits than its factorization.

12312310110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46012.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12312310110 its reverse (1101321321), we get a palindrome (13413631431).

The spelling of 12312310110 in words is "twelve billion, three hundred twelve million, three hundred ten thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 12109 24218 33893 36327 60545 67786 72654 101679 121090 169465 181635 203358 338930 363270 508395 1016790 410410337 820820674 1231231011 2052051685 2462462022 4104103370 6156155055 12312310110