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12076808260 = 22511233176991
BaseRepresentation
bin10110011111101010…
…10111100001000100
31011011122122102110211
423033311113201010
5144213130331020
65314211525204
7605163114346
oct131765274104
934148572424
1012076808260
115138052880
1224105b9804
1311a60481ba
14827cd3296
154aa39385a
hex2cfd57844

12076808260 has 96 divisors (see below), whose sum is σ = 29801447424. Its totient is φ = 4065072000.

The previous prime is 12076808231. The next prime is 12076808309. The reversal of 12076808260 is 6280867021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118365 + ... + 195355.

It is an arithmetic number, because the mean of its divisors is an integer number (310431744).

Almost surely, 212076808260 is an apocalyptic number.

12076808260 is a gapful number since it is divisible by the number (10) 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 12076808260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14900723712).

12076808260 is an abundant number, since it is smaller than the sum of its proper divisors (17724639164).

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

12076808260 is a wasteful number, since it uses less digits than its factorization.

12076808260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77065 (or 77063 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 12076808260 in words is "twelve billion, seventy-six million, eight hundred eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 23 31 44 46 55 62 92 110 115 124 155 220 230 253 310 341 460 506 620 682 713 1012 1265 1364 1426 1705 2530 2852 3410 3565 5060 6820 7130 7843 14260 15686 31372 39215 76991 78430 153982 156860 307964 384955 769910 846901 1539820 1693802 1770793 2386721 3387604 3541586 4234505 4773442 7083172 8469010 8853965 9546884 11933605 16938020 17707930 19478723 23867210 26253931 35415860 38957446 47734420 52507862 54894583 77914892 97393615 105015724 109789166 131269655 194787230 219578332 262539310 274472915 389574460 525078620 548945830 603840413 1097891660 1207680826 2415361652 3019202065 6038404130 12076808260