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32112112123 = 72131372271621
BaseRepresentation
bin11101111010000001…
…111111000111111011
310001212221121022112001
4131322001333013323
51011231200041443
622430242001431
72214524310100
oct357201770773
9101787538461
1032112112123
11126894a5143
126282346277
133049b33ca0
1417a8b68aa7
15c7e284d4d
hex77a07f1fb

32112112123 has 48 divisors (see below), whose sum is σ = 40725617184. Its totient is φ = 25095329280.

The previous prime is 32112112103. The next prime is 32112112139. The reversal of 32112112123 is 32121121123.

It is not a de Polignac number, because 32112112123 - 29 = 32112111611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32112112123.

It is not an unprimeable number, because it can be changed into a prime (32112112103) 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 47 ways as a sum of consecutive naturals, for example, 19809253 + ... + 19810873.

It is an arithmetic number, because the mean of its divisors is an integer number (848450358).

Almost surely, 232112112123 is an apocalyptic number.

32112112123 is a deficient number, since it is larger than the sum of its proper divisors (8613505061).

32112112123 is a wasteful number, since it uses less digits than its factorization.

32112112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2005 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 32112112123 its reverse (32121121123), we get a palindrome (64233233246).

The spelling of 32112112123 in words is "thirty-two billion, one hundred twelve million, one hundred twelve thousand, one hundred twenty-three".

Divisors: 1 7 13 49 91 137 227 637 959 1589 1621 1781 2951 6713 11123 11347 12467 20657 21073 31099 79429 87269 144599 147511 217693 222077 367967 404287 1032577 1523851 1554539 2575769 2830009 2887001 4783571 10881773 18030383 19810063 20209007 33484997 50411479 141463049 234394979 352880353 655349227 2470162471 4587444589 32112112123