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12112312650768 = 243211311669147793
BaseRepresentation
bin1011000001000001111000…
…0101111100110000010000
31120212220222220010220121200
42300100132011330300100
53041422004014311033
641432153011551200
72360041253544021
oct260203605746020
946786886126550
1012112312650768
11394a8917a6740
121437544bbb500
1369b256070ba5
142dc34bda4c48
15160108088013
hexb041e17cc10

12112312650768 has 240 divisors, whose sum is σ = 38195266536960. Its totient is φ = 3549845606400.

The previous prime is 12112312650637. The next prime is 12112312650787. The reversal of 12112312650768 is 86705621321121.

12112312650768 is a `hidden beast` number, since 1 + 2 + 1 + 12 + 3 + 126 + 507 + 6 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81880680 + ... + 82028472.

It is an arithmetic number, because the mean of its divisors is an integer number (159146943904).

Almost surely, 212112312650768 is an apocalyptic number.

12112312650768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112312650768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19097633268480).

12112312650768 is an abundant number, since it is smaller than the sum of its proper divisors (26082953886192).

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

12112312650768 is a wasteful number, since it uses less digits than its factorization.

12112312650768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149518 (or 149509 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

Adding to 12112312650768 its reverse (86705621321121), we get a palindrome (98817933971889).

The spelling of 12112312650768 in words is "twelve trillion, one hundred twelve billion, three hundred twelve million, six hundred fifty thousand, seven hundred sixty-eight".