Search a number
-
+
79240327919 is a prime number
BaseRepresentation
bin100100111001100010…
…1110111001011101111
321120112101122201210222
41021303011313023233
52244241010443134
6100222535121555
75503435450124
oct1116305671357
9246471581728
1079240327919
1130673110215
12134355132bb
13761a931acc
143b99d0a74b
1520db960a2e
hex12731772ef

79240327919 has 2 divisors, whose sum is σ = 79240327920. Its totient is φ = 79240327918.

The previous prime is 79240327877. The next prime is 79240327951. The reversal of 79240327919 is 91972304297.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-79240327919 is a prime.

It is a super-2 number, since 2×792403279192 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79240327979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39620163959 + 39620163960.

It is an arithmetic number, because the mean of its divisors is an integer number (39620163960).

Almost surely, 279240327919 is an apocalyptic number.

79240327919 is a deficient number, since it is larger than the sum of its proper divisors (1).

79240327919 is an equidigital number, since it uses as much as digits as its factorization.

79240327919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 79240327919 in words is "seventy-nine billion, two hundred forty million, three hundred twenty-seven thousand, nine hundred nineteen".