Search a number
-
+
117558816247 is a prime number
BaseRepresentation
bin110110101111100001…
…1010010110111110111
3102020102212122121221101
41231133003102313313
53411230024104442
6130001125230531
711331134310415
oct1553703226767
9366385577841
10117558816247
1145946983694
121a94a262447
13b11650c142
1459930462b5
1530d09e6cb7
hex1b5f0d2df7

117558816247 has 2 divisors, whose sum is σ = 117558816248. Its totient is φ = 117558816246.

The previous prime is 117558816203. The next prime is 117558816253. The reversal of 117558816247 is 742618855711.

It is a strong prime.

It is an emirp because it is prime and its reverse (742618855711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117558816247 - 211 = 117558814199 is a prime.

It is a super-2 number, since 2×1175588162472 (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 (117558816047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58779408123 + 58779408124.

It is an arithmetic number, because the mean of its divisors is an integer number (58779408124).

Almost surely, 2117558816247 is an apocalyptic number.

117558816247 is a deficient number, since it is larger than the sum of its proper divisors (1).

117558816247 is an equidigital number, since it uses as much as digits as its factorization.

117558816247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3763200, while the sum is 55.

The spelling of 117558816247 in words is "one hundred seventeen billion, five hundred fifty-eight million, eight hundred sixteen thousand, two hundred forty-seven".