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13660056001 is a prime number
BaseRepresentation
bin11001011100011001…
…11110100111000001
31022020222210202002001
430232030332213001
5210433433243001
610135250224001
7662336363104
oct145614764701
938228722061
1013660056001
11587a822289
122792885001
131399066b97
149382a673b
1554e384001
hex32e33e9c1

13660056001 has 2 divisors, whose sum is σ = 13660056002. Its totient is φ = 13660056000.

The previous prime is 13660055999. The next prime is 13660056031. The reversal of 13660056001 is 10065006631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7544659600 + 6115396401 = 86860^2 + 78201^2 .

It is a cyclic number.

It is not a de Polignac number, because 13660056001 - 21 = 13660055999 is a prime.

It is a super-2 number, since 2×136600560012 (a number of 21 digits) contains 22 as substring.

Together with 13660055999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13660056031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6830028000 + 6830028001.

It is an arithmetic number, because the mean of its divisors is an integer number (6830028001).

Almost surely, 213660056001 is an apocalyptic number.

It is an amenable number.

13660056001 is a deficient number, since it is larger than the sum of its proper divisors (1).

13660056001 is an equidigital number, since it uses as much as digits as its factorization.

13660056001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 13660056001 in words is "thirteen billion, six hundred sixty million, fifty-six thousand, one".