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12444466678 = 27888890477
BaseRepresentation
bin10111001011011111…
…10111110111110110
31012010021110102000021
423211233313313312
5200441240413203
65414504035354
7620246135650
oct134557676766
935107412007
1012444466678
115306639006
1224b3762b5a
131234274a67
14860a796d0
154cc7b95bd
hex2e5bf7df6

12444466678 has 8 divisors (see below), whose sum is σ = 21333371472. Its totient is φ = 5333342856.

The previous prime is 12444466649. The next prime is 12444466681. The reversal of 12444466678 is 87666444421.

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

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444445225 + ... + 444445252.

It is an arithmetic number, because the mean of its divisors is an integer number (2666671434).

Almost surely, 212444466678 is an apocalyptic number.

12444466678 is a deficient number, since it is larger than the sum of its proper divisors (8888904794).

12444466678 is an equidigital number, since it uses as much as digits as its factorization.

12444466678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888890486.

The product of its digits is 6193152, while the sum is 52.

The spelling of 12444466678 in words is "twelve billion, four hundred forty-four million, four hundred sixty-six thousand, six hundred seventy-eight".

Divisors: 1 2 7 14 888890477 1777780954 6222233339 12444466678