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14818381705 = 52963676341
BaseRepresentation
bin11011100110011111…
…01000111110001001
31102020201101210020001
431303033220332021
5220322001203310
610450225203001
71033133111011
oct156317507611
942221353201
1014818381705
116314654556
122a56790461
1315220296ca
14a08068c41
155baddb93a
hex3733e8f89

14818381705 has 4 divisors (see below), whose sum is σ = 17782058052. Its totient is φ = 11854705360.

The previous prime is 14818381679. The next prime is 14818381709. The reversal of 14818381705 is 50718381841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50718381841 = 401511263191.

It can be written as a sum of positive squares in 2 ways, for example, as 10313824249 + 4504557456 = 101557^2 + 67116^2 .

It is not a de Polignac number, because 14818381705 - 27 = 14818381577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14818381709) 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, 1481838166 + ... + 1481838175.

It is an arithmetic number, because the mean of its divisors is an integer number (4445514513).

Almost surely, 214818381705 is an apocalyptic number.

It is an amenable number.

14818381705 is a deficient number, since it is larger than the sum of its proper divisors (2963676347).

14818381705 is an equidigital number, since it uses as much as digits as its factorization.

14818381705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963676346.

The product of its (nonzero) digits is 215040, while the sum is 46.

The spelling of 14818381705 in words is "fourteen billion, eight hundred eighteen million, three hundred eighty-one thousand, seven hundred five".

Divisors: 1 5 2963676341 14818381705