Search a number
-
+
83079104831 is a prime number
BaseRepresentation
bin100110101011111100…
…1101000100100111111
321221102220222210202122
41031113321220210333
52330121222323311
6102055505313155
76000530511422
oct1152771504477
9257386883678
1083079104831
1132262a97118
12141270357bb
137ab0025138
144041a939b9
15226398b0db
hex1357e6893f

83079104831 has 2 divisors, whose sum is σ = 83079104832. Its totient is φ = 83079104830.

The previous prime is 83079104803. The next prime is 83079104897. The reversal of 83079104831 is 13840197038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83079104831 - 26 = 83079104767 is a prime.

It is a super-2 number, since 2×830791048312 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83079109831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41539552415 + 41539552416.

It is an arithmetic number, because the mean of its divisors is an integer number (41539552416).

Almost surely, 283079104831 is an apocalyptic number.

83079104831 is a deficient number, since it is larger than the sum of its proper divisors (1).

83079104831 is an equidigital number, since it uses as much as digits as its factorization.

83079104831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 83079104831 in words is "eighty-three billion, seventy-nine million, one hundred four thousand, eight hundred thirty-one".