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50164531189 is a prime number
BaseRepresentation
bin101110101110000010…
…011111111111110101
311210111001102012222121
4232232002133333311
51310214104444224
635013435555541
73424060323343
oct565602377765
9153431365877
1050164531189
111a30262a843
12987bbbbbb1
134965b88a66
1425dc51c993
151489044be4
hexbae09fff5

50164531189 has 2 divisors, whose sum is σ = 50164531190. Its totient is φ = 50164531188.

The previous prime is 50164531181. The next prime is 50164531231. The reversal of 50164531189 is 98113546105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35227536100 + 14936995089 = 187690^2 + 122217^2 .

It is a cyclic number.

It is not a de Polignac number, because 50164531189 - 23 = 50164531181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50164531181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25082265594 + 25082265595.

It is an arithmetic number, because the mean of its divisors is an integer number (25082265595).

Almost surely, 250164531189 is an apocalyptic number.

It is an amenable number.

50164531189 is a deficient number, since it is larger than the sum of its proper divisors (1).

50164531189 is an equidigital number, since it uses as much as digits as its factorization.

50164531189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 50164531189 in words is "fifty billion, one hundred sixty-four million, five hundred thirty-one thousand, one hundred eighty-nine".