Search a number
-
+
14749660489 = 55079267791
BaseRepresentation
bin11011011110010010…
…11111010101001001
31102001221002101102211
431233021133111021
5220201403113424
610435332225121
71031340021424
oct155711372511
942057071384
1014749660489
116289887263
122a3776b1a1
131510a17c75
149dcc9a9bb
155b4d64b94
hex36f25f549

14749660489 has 4 divisors (see below), whose sum is σ = 14749983360. Its totient is φ = 14749337620.

The previous prime is 14749660459. The next prime is 14749660511. The reversal of 14749660489 is 98406694741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98406694741 = 372432642287.

It is a cyclic number.

It is not a de Polignac number, because 14749660489 - 215 = 14749627721 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14749660459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78817 + ... + 188974.

It is an arithmetic number, because the mean of its divisors is an integer number (3687495840).

Almost surely, 214749660489 is an apocalyptic number.

It is an amenable number.

14749660489 is a deficient number, since it is larger than the sum of its proper divisors (322871).

14749660489 is an equidigital number, since it uses as much as digits as its factorization.

14749660489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322870.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 14749660489 in words is "fourteen billion, seven hundred forty-nine million, six hundred sixty thousand, four hundred eighty-nine".

Divisors: 1 55079 267791 14749660489