Search a number
-
+
123077244931 is a prime number
BaseRepresentation
bin111001010011111111…
…0011011100000000011
3102202200110112211221221
41302213332123200003
54004030233314211
6132312500255511
711614653214654
oct1624776334003
9382613484857
10123077244931
1148218994853
121ba2a3a1597
13b7b58a5c64
145d57cd952b
153305206c71
hex1ca7f9b803

123077244931 has 2 divisors, whose sum is σ = 123077244932. Its totient is φ = 123077244930.

The previous prime is 123077244869. The next prime is 123077245013. The reversal of 123077244931 is 139442770321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123077244931 - 27 = 123077244803 is a prime.

It is a super-2 number, since 2×1230772449312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123077244431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61538622465 + 61538622466.

It is an arithmetic number, because the mean of its divisors is an integer number (61538622466).

Almost surely, 2123077244931 is an apocalyptic number.

123077244931 is a deficient number, since it is larger than the sum of its proper divisors (1).

123077244931 is an equidigital number, since it uses as much as digits as its factorization.

123077244931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 123077244931 in words is "one hundred twenty-three billion, seventy-seven million, two hundred forty-four thousand, nine hundred thirty-one".