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12342130136 = 237941923399
BaseRepresentation
bin10110111111010010…
…11111010111011000
31011212010220011122222
423133221133113120
5200234041131021
65400410403212
7614564242460
oct133751372730
934763804588
1012342130136
1152638a1056
122485430508
131218cc38ab
1485123aba0
154c38026ab
hex2dfa5f5d8

12342130136 has 32 divisors (see below), whose sum is σ = 26451360000. Its totient is φ = 5288696736.

The previous prime is 12342130127. The next prime is 12342130139. The reversal of 12342130136 is 63103124321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342130139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515765 + ... + 539163.

It is an arithmetic number, because the mean of its divisors is an integer number (826605000).

Almost surely, 212342130136 is an apocalyptic number.

It is an amenable number.

12342130136 is an abundant number, since it is smaller than the sum of its proper divisors (14109229864).

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

12342130136 is a wasteful number, since it uses less digits than its factorization.

12342130136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32831 (or 32827 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12342130136 its reverse (63103124321), we get a palindrome (75445254457).

The spelling of 12342130136 in words is "twelve billion, three hundred forty-two million, one hundred thirty thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 9419 18838 23399 37676 46798 65933 75352 93596 131866 163793 187192 263732 327586 527464 655172 1310344 220395181 440790362 881580724 1542766267 1763161448 3085532534 6171065068 12342130136