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12070115638 = 27862151117
BaseRepresentation
bin10110011110110111…
…10101100100110110
31011011012001101220221
423033123311210312
5144204422200023
65313412244554
7605052201340
oct131733654466
934135041827
1012070115638
1151342a1589
12240a31075a
1311a4843b79
14827070290
154a99c085d
hex2cf6f5936

12070115638 has 8 divisors (see below), whose sum is σ = 20691626832. Its totient is φ = 5172906696.

The previous prime is 12070115581. The next prime is 12070115671. The reversal of 12070115638 is 83651107021.

It is a happy number.

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

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, 431075545 + ... + 431075572.

It is an arithmetic number, because the mean of its divisors is an integer number (2586453354).

Almost surely, 212070115638 is an apocalyptic number.

12070115638 is a deficient number, since it is larger than the sum of its proper divisors (8621511194).

12070115638 is an equidigital number, since it uses as much as digits as its factorization.

12070115638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862151126.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 12070115638 in words is "twelve billion, seventy million, one hundred fifteen thousand, six hundred thirty-eight".

Divisors: 1 2 7 14 862151117 1724302234 6035057819 12070115638