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12657586673 = 103197623803
BaseRepresentation
bin10111100100111001…
…10111000111110001
31012200010111000200102
423302130313013301
5201410320233143
65452000002145
7625444466024
oct136234670761
935603430612
1012657586673
115405972236
122553000355
131269473a74
148810b51bb
154e13660b8
hex2f27371f1

12657586673 has 8 divisors (see below), whose sum is σ = 12845371968. Its totient is φ = 12471049584.

The previous prime is 12657586663. The next prime is 12657586717. The reversal of 12657586673 is 37668575621.

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

It is a cyclic number.

It is not a de Polignac number, because 12657586673 - 26 = 12657586609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12657586663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291611 + ... + 332192.

It is an arithmetic number, because the mean of its divisors is an integer number (1605671496).

Almost surely, 212657586673 is an apocalyptic number.

It is an amenable number.

12657586673 is a deficient number, since it is larger than the sum of its proper divisors (187785295).

12657586673 is a wasteful number, since it uses less digits than its factorization.

12657586673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624103.

The product of its digits is 12700800, while the sum is 56.

The spelling of 12657586673 in words is "twelve billion, six hundred fifty-seven million, five hundred eighty-six thousand, six hundred seventy-three".

Divisors: 1 103 197 20291 623803 64251709 122889191 12657586673