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50110981 is a prime number
BaseRepresentation
bin1011111100101…
…0001000000101
310111021220100021
42333022020011
5100312022411
64550015141
71145636104
oct277121005
9114256307
1050110981
1126317138
12149474b1
13a4c6a8b
14692603b
1545eca71
hex2fca205

50110981 has 2 divisors, whose sum is σ = 50110982. Its totient is φ = 50110980.

The previous prime is 50110967. The next prime is 50111003. The reversal of 50110981 is 18901105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48080356 + 2030625 = 6934^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 50110981 - 215 = 50078213 is a prime.

It is a super-2 number, since 2×501109812 = 5022220833564722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50110481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055490 + 25055491.

It is an arithmetic number, because the mean of its divisors is an integer number (25055491).

Almost surely, 250110981 is an apocalyptic number.

It is an amenable number.

50110981 is a deficient number, since it is larger than the sum of its proper divisors (1).

50110981 is an equidigital number, since it uses as much as digits as its factorization.

50110981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 50110981 is about 7078.9110038197. The cubic root of 50110981 is about 368.6755201103.

The spelling of 50110981 in words is "fifty million, one hundred ten thousand, nine hundred eighty-one".