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12814490242 = 26779464173
BaseRepresentation
bin10111110111100110…
…11001101010000010
31020002001201112220201
423323303121222002
5202221002141432
65515322555414
7632361240601
oct137363315202
936061645821
1012814490242
11548649a204
122597668b6a
131292b1c008
14897c79a38
1550000aee7
hex2fbcd9a82

12814490242 has 8 divisors (see below), whose sum is σ = 19250129916. Its totient is φ = 6397780272.

The previous prime is 12814490179. The next prime is 12814490287. The reversal of 12814490242 is 24209441821.

It can be written as a sum of positive squares in 2 ways, for example, as 12119587921 + 694902321 = 110089^2 + 26361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×128144902422 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4730733 + ... + 4733440.

Almost surely, 212814490242 is an apocalyptic number.

12814490242 is a deficient number, since it is larger than the sum of its proper divisors (6435639674).

12814490242 is an equidigital number, since it uses as much as digits as its factorization.

12814490242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464852.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 12814490242 in words is "twelve billion, eight hundred fourteen million, four hundred ninety thousand, two hundred forty-two".

Divisors: 1 2 677 1354 9464173 18928346 6407245121 12814490242