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13321000169 is a prime number
BaseRepresentation
bin11000110011111111…
…00101010011101001
31021101100210220220122
430121333211103221
5204240134001134
610041455133025
7651051430121
oct143177452351
937340726818
1013321000169
1157163a2654
1226b9214175
131343a43229
14905247c81
1552e70d02e
hex319fe54e9

13321000169 has 2 divisors, whose sum is σ = 13321000170. Its totient is φ = 13321000168.

The previous prime is 13321000159. The next prime is 13321000213. The reversal of 13321000169 is 96100012331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13266432400 + 54567769 = 115180^2 + 7387^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321000169 - 228 = 13052564713 is a prime.

It is a super-2 number, since 2×133210001692 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13321000159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660500084 + 6660500085.

It is an arithmetic number, because the mean of its divisors is an integer number (6660500085).

Almost surely, 213321000169 is an apocalyptic number.

It is an amenable number.

13321000169 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321000169 is an equidigital number, since it uses as much as digits as its factorization.

13321000169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 13321000169 in words is "thirteen billion, three hundred twenty-one million, one hundred sixty-nine", and thus it is an aban number.