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102514688869 is a prime number
BaseRepresentation
bin101111101111001011…
…0100000001101100101
3100210121102110202212111
41133132112200031211
53134422230020434
6115032233321021
710256260322635
oct1373626401545
9323542422774
10102514688869
113a52696206a
1217a4bb66171
1398897b2a18
144d670166c5
1529eedb7964
hex17de5a0365

102514688869 has 2 divisors, whose sum is σ = 102514688870. Its totient is φ = 102514688868.

The previous prime is 102514688867. The next prime is 102514688891. The reversal of 102514688869 is 968886415201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78408400225 + 24106288644 = 280015^2 + 155262^2 .

It is a cyclic number.

It is not a de Polignac number, because 102514688869 - 21 = 102514688867 is a prime.

It is a super-2 number, since 2×1025146888692 (a number of 23 digits) contains 22 as substring.

Together with 102514688867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102514688867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51257344434 + 51257344435.

It is an arithmetic number, because the mean of its divisors is an integer number (51257344435).

Almost surely, 2102514688869 is an apocalyptic number.

It is an amenable number.

102514688869 is a deficient number, since it is larger than the sum of its proper divisors (1).

102514688869 is an equidigital number, since it uses as much as digits as its factorization.

102514688869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 102514688869 in words is "one hundred two billion, five hundred fourteen million, six hundred eighty-eight thousand, eight hundred sixty-nine".