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13020496897 is a prime number
BaseRepresentation
bin11000010000001010…
…10000010000000001
31020121102100202220211
430020011100100001
5203131221400042
65552002234121
7640442253232
oct141005202001
936542322824
1013020496897
115581805041
122634655941
1312c66ca345
148b7383089
15513150017
hex308150401

13020496897 has 2 divisors, whose sum is σ = 13020496898. Its totient is φ = 13020496896.

The previous prime is 13020496891. The next prime is 13020496927. The reversal of 13020496897 is 79869402031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12904051216 + 116445681 = 113596^2 + 10791^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020496897 - 23 = 13020496889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13020496897.

It is not a weakly prime, because it can be changed into another prime (13020496891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510248448 + 6510248449.

It is an arithmetic number, because the mean of its divisors is an integer number (6510248449).

Almost surely, 213020496897 is an apocalyptic number.

It is an amenable number.

13020496897 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020496897 is an equidigital number, since it uses as much as digits as its factorization.

13020496897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 13020496897 in words is "thirteen billion, twenty million, four hundred ninety-six thousand, eight hundred ninety-seven".