Search a number
-
+
15051255497 is a prime number
BaseRepresentation
bin11100000010001111…
…11110111011001001
31102211221121000000022
432001013332323021
5221311110133442
610525304350225
71041661363235
oct160107767311
942757530008
1015051255497
116424050033
122b00775375
13155b353a55
14a2ad675c5
155d158b3d2
hex3811feec9

15051255497 has 2 divisors, whose sum is σ = 15051255498. Its totient is φ = 15051255496.

The previous prime is 15051255469. The next prime is 15051255553. The reversal of 15051255497 is 79455215051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13973840521 + 1077414976 = 118211^2 + 32824^2 .

It is a cyclic number.

It is not a de Polignac number, because 15051255497 - 232 = 10756288201 is a prime.

It is not a weakly prime, because it can be changed into another prime (15051255467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525627748 + 7525627749.

It is an arithmetic number, because the mean of its divisors is an integer number (7525627749).

Almost surely, 215051255497 is an apocalyptic number.

It is an amenable number.

15051255497 is a deficient number, since it is larger than the sum of its proper divisors (1).

15051255497 is an equidigital number, since it uses as much as digits as its factorization.

15051255497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315000, while the sum is 44.

The spelling of 15051255497 in words is "fifteen billion, fifty-one million, two hundred fifty-five thousand, four hundred ninety-seven".