Search a number
-
+
14518500581531 is a prime number
BaseRepresentation
bin1101001101000101101000…
…0100011110000010011011
31220101221210021020120210102
43103101122010132002123
53400332342122102111
650513412422010015
73025632656520422
oct323213204360233
956357707216712
1014518500581531
114698297099891
12176594857690b
1381411cc2bc8b
143829b07862b9
151a29d5d1a13b
hexd345a11e09b

14518500581531 has 2 divisors, whose sum is σ = 14518500581532. Its totient is φ = 14518500581530.

The previous prime is 14518500581527. The next prime is 14518500581551. The reversal of 14518500581531 is 13518500581541.

It is a weak prime.

It is an emirp because it is prime and its reverse (13518500581541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14518500581531 - 22 = 14518500581527 is a prime.

It is a super-2 number, since 2×145185005815312 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14518500581551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7259250290765 + 7259250290766.

It is an arithmetic number, because the mean of its divisors is an integer number (7259250290766).

Almost surely, 214518500581531 is an apocalyptic number.

14518500581531 is a deficient number, since it is larger than the sum of its proper divisors (1).

14518500581531 is an equidigital number, since it uses as much as digits as its factorization.

14518500581531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480000, while the sum is 47.

The spelling of 14518500581531 in words is "fourteen trillion, five hundred eighteen billion, five hundred million, five hundred eighty-one thousand, five hundred thirty-one".