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13861463293 is a prime number
BaseRepresentation
bin11001110100011010…
…10010010011111101
31022210000210021221101
430322031102103331
5211342013311133
610211243133101
71000333331266
oct147215222375
938700707841
1013861463293
115973486597
12282a214191
1313cb9c48b2
14956d3396d
15561dba37d
hex33a3524fd

13861463293 has 2 divisors, whose sum is σ = 13861463294. Its totient is φ = 13861463292.

The previous prime is 13861463269. The next prime is 13861463299. The reversal of 13861463293 is 39236416831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13150814329 + 710648964 = 114677^2 + 26658^2 .

It is a cyclic number.

It is not a de Polignac number, because 13861463293 - 25 = 13861463261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13861463299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6930731646 + 6930731647.

It is an arithmetic number, because the mean of its divisors is an integer number (6930731647).

Almost surely, 213861463293 is an apocalyptic number.

It is an amenable number.

13861463293 is a deficient number, since it is larger than the sum of its proper divisors (1).

13861463293 is an equidigital number, since it uses as much as digits as its factorization.

13861463293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The spelling of 13861463293 in words is "thirteen billion, eight hundred sixty-one million, four hundred sixty-three thousand, two hundred ninety-three".