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12407986242 = 2332111088993
BaseRepresentation
bin10111000111001001…
…01101100001000010
31012000201211000021000
423203210231201002
5200402421024432
65411122112430
7616324100001
oct134344554102
935021730230
1012407986242
115297a91793
1224a34ab716
1312298411c2
14859ca0c38
154c94b057c
hex2e392d842

12407986242 has 32 divisors (see below), whose sum is σ = 27704007360. Its totient is φ = 4116389760.

The previous prime is 12407986219. The next prime is 12407986247. The reversal of 12407986242 is 24268970421.

12407986242 is a `hidden beast` number, since 12 + 4 + 0 + 7 + 9 + 8 + 624 + 2 = 666.

It is a super-2 number, since 2×124079862422 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12407986247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533103 + ... + 555890.

It is an arithmetic number, because the mean of its divisors is an integer number (865750230).

Almost surely, 212407986242 is an apocalyptic number.

12407986242 is an abundant number, since it is smaller than the sum of its proper divisors (15296021118).

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

12407986242 is a wasteful number, since it uses less digits than its factorization.

12407986242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089215 (or 1089209 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 12407986242 in words is "twelve billion, four hundred seven million, nine hundred eighty-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 211 422 633 1266 1899 3798 5697 11394 1088993 2177986 3266979 6533958 9800937 19601874 29402811 58805622 229777523 459555046 689332569 1378665138 2067997707 4135995414 6203993121 12407986242