Search a number
-
+
79047725101 is a prime number
BaseRepresentation
bin100100110011110011…
…1001001000000101101
321120000222020111102021
41021213213021000231
52243342204200401
6100151455030141
75465606401642
oct1114747110055
9246028214367
1079047725101
113058441a934
12133a0b0b351
1375b9a67747
143b7c4d1dc9
1520c9ab82a1
hex12679c902d

79047725101 has 2 divisors, whose sum is σ = 79047725102. Its totient is φ = 79047725100.

The previous prime is 79047725089. The next prime is 79047725161. The reversal of 79047725101 is 10152774097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50298827076 + 28748898025 = 224274^2 + 169555^2 .

It is an emirp because it is prime and its reverse (10152774097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79047725101 - 215 = 79047692333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79047725161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39523862550 + 39523862551.

It is an arithmetic number, because the mean of its divisors is an integer number (39523862551).

Almost surely, 279047725101 is an apocalyptic number.

It is an amenable number.

79047725101 is a deficient number, since it is larger than the sum of its proper divisors (1).

79047725101 is an equidigital number, since it uses as much as digits as its factorization.

79047725101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 79047725101 in words is "seventy-nine billion, forty-seven million, seven hundred twenty-five thousand, one hundred one".