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50392902169 is a prime number
BaseRepresentation
bin101110111011101001…
…101010101000011001
311211001222010200002001
4232323221222220121
51311201040332134
635052234441001
73432532413061
oct567351525031
9154058120061
1050392902169
111a40a530295
129924593161
1349a129770c
1426209a83a1
15149e105414
hexbbba6aa19

50392902169 has 2 divisors, whose sum is σ = 50392902170. Its totient is φ = 50392902168.

The previous prime is 50392902121. The next prime is 50392902191. The reversal of 50392902169 is 96120929305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43103157769 + 7289744400 = 207613^2 + 85380^2 .

It is a cyclic number.

It is not a de Polignac number, because 50392902169 - 27 = 50392902041 is a prime.

It is a super-2 number, since 2×503929021692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50392902199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25196451084 + 25196451085.

It is an arithmetic number, because the mean of its divisors is an integer number (25196451085).

Almost surely, 250392902169 is an apocalyptic number.

It is an amenable number.

50392902169 is a deficient number, since it is larger than the sum of its proper divisors (1).

50392902169 is an equidigital number, since it uses as much as digits as its factorization.

50392902169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 50392902169 in words is "fifty billion, three hundred ninety-two million, nine hundred two thousand, one hundred sixty-nine".