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12611306863 is a prime number
BaseRepresentation
bin10111011111011000…
…10100010101101111
31012112220101202201101
423233230110111233
5201311443304423
65443224023531
7624343224331
oct135754242557
935486352641
1012611306863
115391832561
12253b601ba7
13125c9bba6c
14878ca9451
154dc2737ad
hex2efb1456f

12611306863 has 2 divisors, whose sum is σ = 12611306864. Its totient is φ = 12611306862.

The previous prime is 12611306839. The next prime is 12611306927. The reversal of 12611306863 is 36860311621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12611306863 - 213 = 12611298671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12611306803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305653431 + 6305653432.

It is an arithmetic number, because the mean of its divisors is an integer number (6305653432).

Almost surely, 212611306863 is an apocalyptic number.

12611306863 is a deficient number, since it is larger than the sum of its proper divisors (1).

12611306863 is an equidigital number, since it uses as much as digits as its factorization.

12611306863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 12611306863 in words is "twelve billion, six hundred eleven million, three hundred six thousand, eight hundred sixty-three".