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12676772521 = 75827310789
BaseRepresentation
bin10111100111001100…
…00011001010101001
31012201110120202201101
423303212003022221
5201430223210041
65453523121401
7626066534320
oct136346031251
935643522641
1012676772521
115415786906
122559513261
13127043073a
1488386b0b7
154e2da5b31
hex2f39832a9

12676772521 has 8 divisors (see below), whose sum is σ = 14490272960. Its totient is φ = 10863905328.

The previous prime is 12676772497. The next prime is 12676772539. The reversal of 12676772521 is 12527767621.

12676772521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12676772521 - 25 = 12676772489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12676772321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114606 + ... + 196183.

It is an arithmetic number, because the mean of its divisors is an integer number (1811284120).

Almost surely, 212676772521 is an apocalyptic number.

It is an amenable number.

12676772521 is a deficient number, since it is larger than the sum of its proper divisors (1813500439).

12676772521 is an equidigital number, since it uses as much as digits as its factorization.

12676772521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316623.

The product of its digits is 493920, while the sum is 46.

The spelling of 12676772521 in words is "twelve billion, six hundred seventy-six million, seven hundred seventy-two thousand, five hundred twenty-one".

Divisors: 1 7 5827 40789 310789 2175523 1810967503 12676772521