Search a number
-
+
14638102487 is a prime number
BaseRepresentation
bin11011010000111111…
…11011011111010111
31101210011011122121222
431220133323133113
5214434323234422
610420305200555
71025513550431
oct155037733727
941704148558
1014638102487
116231911068
122a0633015b
1314c3888708
149cc13b651
155aa17a842
hex3687fb7d7

14638102487 has 2 divisors, whose sum is σ = 14638102488. Its totient is φ = 14638102486.

The previous prime is 14638102477. The next prime is 14638102513. The reversal of 14638102487 is 78420183641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14638102487 - 24 = 14638102471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14638102477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7319051243 + 7319051244.

It is an arithmetic number, because the mean of its divisors is an integer number (7319051244).

Almost surely, 214638102487 is an apocalyptic number.

14638102487 is a deficient number, since it is larger than the sum of its proper divisors (1).

14638102487 is an equidigital number, since it uses as much as digits as its factorization.

14638102487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 14638102487 in words is "fourteen billion, six hundred thirty-eight million, one hundred two thousand, four hundred eighty-seven".