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123132112330 = 2512313211233
BaseRepresentation
bin111001010101100111…
…1101110110111001010
3102202211021210101212211
41302223033232313022
54004133310043310
6132322140255334
711616220454143
oct1625317566712
9382737711784
10123132112330
114824695a507
121ba4484154a
13b7c4076986
145d612dcaca
153309e43c8a
hex1cab3eedca

123132112330 has 8 divisors (see below), whose sum is σ = 221637802212. Its totient is φ = 49252844928.

The previous prime is 123132112309. The next prime is 123132112333. The reversal of 123132112330 is 33211231321.

It can be written as a sum of positive squares in 2 ways, for example, as 122058698161 + 1073414169 = 349369^2 + 32763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (123132112333) 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 3 ways as a sum of consecutive naturals, for example, 6156605607 + ... + 6156605626.

Almost surely, 2123132112330 is an apocalyptic number.

123132112330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123132112330 is a deficient number, since it is larger than the sum of its proper divisors (98505689882).

123132112330 is a wasteful number, since it uses less digits than its factorization.

123132112330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12313211240.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123132112330 its reverse (33211231321), we get a palindrome (156343343651).

The spelling of 123132112330 in words is "one hundred twenty-three billion, one hundred thirty-two million, one hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 12313211233 24626422466 61566056165 123132112330