Search a number
-
+
14015651987 is a prime number
BaseRepresentation
bin11010000110110010…
…11110000010010011
31100011202220220001202
431003121132002103
5212201001330422
610234432021415
71004215035101
oct150331360223
940152826052
1014015651987
115a42519867
12287199186b
13142492c1cc
1496d5ccc71
155706c5b92
hex34365e093

14015651987 has 2 divisors, whose sum is σ = 14015651988. Its totient is φ = 14015651986.

The previous prime is 14015651981. The next prime is 14015652019. The reversal of 14015651987 is 78915651041.

It is a weak prime.

It is an emirp because it is prime and its reverse (78915651041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14015651987 - 24 = 14015651971 is a prime.

It is not a weakly prime, because it can be changed into another prime (14015651981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7007825993 + 7007825994.

It is an arithmetic number, because the mean of its divisors is an integer number (7007825994).

Almost surely, 214015651987 is an apocalyptic number.

14015651987 is a deficient number, since it is larger than the sum of its proper divisors (1).

14015651987 is an equidigital number, since it uses as much as digits as its factorization.

14015651987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 14015651987 in words is "fourteen billion, fifteen million, six hundred fifty-one thousand, nine hundred eighty-seven".