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12080210747 = 1173101148949
BaseRepresentation
bin10110100000000100…
…10110001100111011
31011011220001021210212
423100002112030323
5144220013220442
65314412501335
7605234045213
oct132002261473
934156037725
1012080210747
115139a67150
12241177a84b
1311a6969ac7
1482853b243
154aa816a82
hex2d009633b

12080210747 has 16 divisors (see below), whose sum is σ = 13491295200. Its totient is φ = 10724256000.

The previous prime is 12080210741. The next prime is 12080210759. The reversal of 12080210747 is 74701208021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12080210747 - 26 = 12080210683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12080210741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6629 + ... + 155577.

It is an arithmetic number, because the mean of its divisors is an integer number (843205950).

Almost surely, 212080210747 is an apocalyptic number.

12080210747 is a deficient number, since it is larger than the sum of its proper divisors (1411084453).

12080210747 is a wasteful number, since it uses less digits than its factorization.

12080210747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149134.

The product of its (nonzero) digits is 6272, while the sum is 32.

Adding to 12080210747 its reverse (74701208021), we get a palindrome (86781418768).

The spelling of 12080210747 in words is "twelve billion, eighty million, two hundred ten thousand, seven hundred forty-seven".

Divisors: 1 11 73 101 803 1111 7373 81103 148949 1638439 10873277 15043849 119606047 165482339 1098200977 12080210747