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12066748847 = 14543829729
BaseRepresentation
bin10110011110011101…
…11111100110101111
31011010221201100112222
423033032333212233
5144203041430342
65313212145555
7605011446536
oct131716774657
934127640488
1012066748847
11513240200a
1224091682bb
1311a3c3559a
1482683531d
154a9557ed2
hex2cf3bf9af

12066748847 has 4 divisors (see below), whose sum is σ = 12067593120. Its totient is φ = 12065904576.

The previous prime is 12066748829. The next prime is 12066748849. The reversal of 12066748847 is 74884766021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12066748847 - 214 = 12066732463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066748849) 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, 400322 + ... + 429407.

It is an arithmetic number, because the mean of its divisors is an integer number (3016898280).

Almost surely, 212066748847 is an apocalyptic number.

12066748847 is a deficient number, since it is larger than the sum of its proper divisors (844273).

12066748847 is an equidigital number, since it uses as much as digits as its factorization.

12066748847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844272.

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 12066748847 in words is "twelve billion, sixty-six million, seven hundred forty-eight thousand, eight hundred forty-seven".

Divisors: 1 14543 829729 12066748847