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50111151149 is a prime number
BaseRepresentation
bin101110101010110110…
…110111110000101101
311210100022222020100002
4232222312313300231
51310111423314044
635004251514045
73422541520403
oct565266676055
9153308866302
1050111151149
111a285490604
129866158925
134957ab9037
1425d53c5473
1514844ed74e
hexbaadb7c2d

50111151149 has 2 divisors, whose sum is σ = 50111151150. Its totient is φ = 50111151148.

The previous prime is 50111151127. The next prime is 50111151179. The reversal of 50111151149 is 94115111105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47860312900 + 2250838249 = 218770^2 + 47443^2 .

It is a cyclic number.

It is not a de Polignac number, because 50111151149 - 220 = 50110102573 is a prime.

It is a super-2 number, since 2×501111511492 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50111151179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055575574 + 25055575575.

It is an arithmetic number, because the mean of its divisors is an integer number (25055575575).

Almost surely, 250111151149 is an apocalyptic number.

It is an amenable number.

50111151149 is a deficient number, since it is larger than the sum of its proper divisors (1).

50111151149 is an equidigital number, since it uses as much as digits as its factorization.

50111151149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 29.

The spelling of 50111151149 in words is "fifty billion, one hundred eleven million, one hundred fifty-one thousand, one hundred forty-nine".