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12308242646 = 27879160189
BaseRepresentation
bin10110111011010000…
…01110000011010110
31011202210010111202202
423131220032003112
5200201402231041
65353200204502
7614003223230
oct133550160326
934683114682
1012308242646
115246755967
122476009732
131211c8a31b
1484a939250
154c085ba9b
hex2dda0e0d6

12308242646 has 8 divisors (see below), whose sum is σ = 21099844560. Its totient is φ = 5274961128.

The previous prime is 12308242631. The next prime is 12308242649. The reversal of 12308242646 is 64624280321.

It is a happy number.

12308242646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12308242649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439580081 + ... + 439580108.

It is an arithmetic number, because the mean of its divisors is an integer number (2637480570).

Almost surely, 212308242646 is an apocalyptic number.

12308242646 is a deficient number, since it is larger than the sum of its proper divisors (8791601914).

12308242646 is an equidigital number, since it uses as much as digits as its factorization.

12308242646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879160198.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 12308242646 in words is "twelve billion, three hundred eight million, two hundred forty-two thousand, six hundred forty-six".

Divisors: 1 2 7 14 879160189 1758320378 6154121323 12308242646