Search a number
-
+
1115166407 is a prime number
BaseRepresentation
bin100001001111000…
…0001011011000111
32212201101022201112
41002132001123013
54240440311112
6302353515235
736430521005
oct10236013307
92781338645
101115166407
11522534033
12271572b1b
1314a060ca4
14a8169a75
1567d7ea22
hex427816c7

1115166407 has 2 divisors, whose sum is σ = 1115166408. Its totient is φ = 1115166406.

The previous prime is 1115166397. The next prime is 1115166419. The reversal of 1115166407 is 7046615111.

It is a weak prime.

It is an emirp because it is prime and its reverse (7046615111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1115166407 - 210 = 1115165383 is a prime.

It is a super-2 number, since 2×11151664072 = 2487192230602579298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115166427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557583203 + 557583204.

It is an arithmetic number, because the mean of its divisors is an integer number (557583204).

Almost surely, 21115166407 is an apocalyptic number.

1115166407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115166407 is an equidigital number, since it uses as much as digits as its factorization.

1115166407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1115166407 is about 33394.1073694147. The cubic root of 1115166407 is about 1037.0027134801.

The spelling of 1115166407 in words is "one billion, one hundred fifteen million, one hundred sixty-six thousand, four hundred seven".