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12442812134 = 217747350561
BaseRepresentation
bin10111001011010011…
…00011111011100110
31012010011100100101212
423211221203323212
5200440324442014
65414404351422
7620226105134
oct134551437346
935104310355
1012442812134
115305708a15
1224b30a5572
131233b1593c
14860768754
154cc58e23e
hex2e5a63ee6

12442812134 has 8 divisors (see below), whose sum is σ = 18665323128. Its totient is φ = 6221037760.

The previous prime is 12442812133. The next prime is 12442812157. The reversal of 12442812134 is 43121824421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12442812134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442812133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139787 + ... + 210774.

It is an arithmetic number, because the mean of its divisors is an integer number (2333165391).

Almost surely, 212442812134 is an apocalyptic number.

12442812134 is a deficient number, since it is larger than the sum of its proper divisors (6222510994).

12442812134 is a wasteful number, since it uses less digits than its factorization.

12442812134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368310.

The product of its digits is 12288, while the sum is 32.

The spelling of 12442812134 in words is "twelve billion, four hundred forty-two million, eight hundred twelve thousand, one hundred thirty-four".

Divisors: 1 2 17747 35494 350561 701122 6221406067 12442812134