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12230146804978 = 212642148370709
BaseRepresentation
bin1011000111111000110110…
…0011100100110011110010
31121022012010221220011020101
42301332031203210303302
53100334320040224403
642002241334503014
72401412303410144
oct261761543446362
947265127804211
1012230146804978
11399585a039863
12145634b504a6a
136a93b46246ab
14303d29800c94
15163202d1b71d
hexb1f8d8e4cf2

12230146804978 has 8 divisors (see below), whose sum is σ = 18345365698860. Its totient is φ = 6115024905360.

The previous prime is 12230146804951. The next prime is 12230146805021. The reversal of 12230146804978 is 87940864103221.

It can be written as a sum of positive squares in 2 ways, for example, as 11749901962969 + 480244842009 = 3427813^2 + 692997^2 .

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

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, 23932513 + ... + 24438196.

Almost surely, 212230146804978 is an apocalyptic number.

12230146804978 is a deficient number, since it is larger than the sum of its proper divisors (6115218893882).

12230146804978 is a wasteful number, since it uses less digits than its factorization.

12230146804978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48497132.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 12230146804978 in words is "twelve trillion, two hundred thirty billion, one hundred forty-six million, eight hundred four thousand, nine hundred seventy-eight".

Divisors: 1 2 126421 252842 48370709 96741418 6115073402489 12230146804978