Search a number
-
+
3115193087 is a prime number
BaseRepresentation
bin1011100110101110…
…0001001011111111
322001002210012112202
42321223201023333
522334442134322
61233041222115
7140124463406
oct27153411377
98032705482
103115193087
111359499746
1272b33193b
133a8517526
14217a3063d
1513374a292
hexb9ae12ff

3115193087 has 2 divisors, whose sum is σ = 3115193088. Its totient is φ = 3115193086.

The previous prime is 3115193063. The next prime is 3115193099. The reversal of 3115193087 is 7803915113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3115193087 - 214 = 3115176703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3115193087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3115193047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557596543 + 1557596544.

It is an arithmetic number, because the mean of its divisors is an integer number (1557596544).

Almost surely, 23115193087 is an apocalyptic number.

3115193087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115193087 is an equidigital number, since it uses as much as digits as its factorization.

3115193087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 3115193087 is about 55813.9148152143. The cubic root of 3115193087 is about 1460.4779018174.

The spelling of 3115193087 in words is "three billion, one hundred fifteen million, one hundred ninety-three thousand, eighty-seven".