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12461513693 is a prime number
BaseRepresentation
bin10111001101100001…
…11001101111011101
31012011110112111010012
423212300321233131
5201010121414233
65420313253005
7620544055466
oct134660715735
935143474105
1012461513693
115315221752
1224b9404165
131237963055
14863035d6d
154ce035548
hex2e6c39bdd

12461513693 has 2 divisors, whose sum is σ = 12461513694. Its totient is φ = 12461513692.

The previous prime is 12461513671. The next prime is 12461513761. The reversal of 12461513693 is 39631516421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11859645604 + 601868089 = 108902^2 + 24533^2 .

It is a cyclic number.

It is not a de Polignac number, because 12461513693 - 26 = 12461513629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12461513693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12461513633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6230756846 + 6230756847.

It is an arithmetic number, because the mean of its divisors is an integer number (6230756847).

Almost surely, 212461513693 is an apocalyptic number.

It is an amenable number.

12461513693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12461513693 is an equidigital number, since it uses as much as digits as its factorization.

12461513693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The spelling of 12461513693 in words is "twelve billion, four hundred sixty-one million, five hundred thirteen thousand, six hundred ninety-three".