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12988061833 is a prime number
BaseRepresentation
bin11000001100010011…
…00001100010001001
31020112011022220101011
430012021201202021
5203044420434313
65544443123521
7636566463325
oct140611414211
936464286334
1012988061833
1155654710aa
1226258135a1
1312bca81bb6
148b2d3c985
1551039493d
hex306261889

12988061833 has 2 divisors, whose sum is σ = 12988061834. Its totient is φ = 12988061832.

The previous prime is 12988061767. The next prime is 12988061839. The reversal of 12988061833 is 33816088921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12615108489 + 372953344 = 112317^2 + 19312^2 .

It is a cyclic number.

It is not a de Polignac number, because 12988061833 - 213 = 12988053641 is a prime.

It is not a weakly prime, because it can be changed into another prime (12988061839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6494030916 + 6494030917.

It is an arithmetic number, because the mean of its divisors is an integer number (6494030917).

Almost surely, 212988061833 is an apocalyptic number.

It is an amenable number.

12988061833 is a deficient number, since it is larger than the sum of its proper divisors (1).

12988061833 is an equidigital number, since it uses as much as digits as its factorization.

12988061833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 12988061833 in words is "twelve billion, nine hundred eighty-eight million, sixty-one thousand, eight hundred thirty-three".