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102502570069 is a prime number
BaseRepresentation
bin101111101110110100…
…0010001100001010101
3100210120120200002000001
41133131220101201111
53134411124220234
6115031121451301
710256052320104
oct1373550214125
9323516602001
10102502570069
113a520035029
1217a47aa0b31
13988712b933
144d6558003b
1529edcc1d14
hex17dda11855

102502570069 has 2 divisors, whose sum is σ = 102502570070. Its totient is φ = 102502570068.

The previous prime is 102502570043. The next prime is 102502570091. The reversal of 102502570069 is 960075205201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58847482225 + 43655087844 = 242585^2 + 208938^2 .

It is a cyclic number.

It is not a de Polignac number, because 102502570069 - 215 = 102502537301 is a prime.

It is a super-2 number, since 2×1025025700692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102502570669) 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, 51251285034 + 51251285035.

It is an arithmetic number, because the mean of its divisors is an integer number (51251285035).

Almost surely, 2102502570069 is an apocalyptic number.

It is an amenable number.

102502570069 is a deficient number, since it is larger than the sum of its proper divisors (1).

102502570069 is an equidigital number, since it uses as much as digits as its factorization.

102502570069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 102502570069 in words is "one hundred two billion, five hundred two million, five hundred seventy thousand, sixty-nine".