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12132227560 = 2351092939497
BaseRepresentation
bin10110100110010001…
…10001100111101000
31011022111221000110111
423103020301213220
5144321322240220
65323511424104
7606435142555
oct132310614750
934274830414
1012132227560
115166365152
122427085034
1311b468019b
148313dba2c
154b018e15a
hex2d32319e8

12132227560 has 64 divisors (see below), whose sum is σ = 27644878800. Its totient is φ = 4791453696.

The previous prime is 12132227537. The next prime is 12132227573. The reversal of 12132227560 is 6572223121.

It can be written as a sum of positive squares in 8 ways, for example, as 6335841604 + 5796385956 = 79598^2 + 76134^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272732 + ... + 1282228.

Almost surely, 212132227560 is an apocalyptic number.

12132227560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12132227560 is an abundant number, since it is smaller than the sum of its proper divisors (15512651240).

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

12132227560 is a wasteful number, since it uses less digits than its factorization.

12132227560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9910 (or 9906 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 12132227560 in words is "twelve billion, one hundred thirty-two million, two hundred twenty-seven thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 109 218 293 436 545 586 872 1090 1172 1465 2180 2344 2930 4360 5860 9497 11720 18994 31937 37988 47485 63874 75976 94970 127748 159685 189940 255496 319370 379880 638740 1035173 1277480 2070346 2782621 4140692 5175865 5565242 8281384 10351730 11130484 13913105 20703460 22260968 27826210 41406920 55652420 111304840 303305689 606611378 1213222756 1516528445 2426445512 3033056890 6066113780 12132227560