Base | Representation |
---|---|
bin | 11011101001000111… |
… | …01001100011010101 |
3 | 1102022020211122101022 |
4 | 31310203221203111 |
5 | 220343120413211 |
6 | 10452333210525 |
7 | 1033521232331 |
oct | 156443514325 |
9 | 42266748338 |
10 | 14840404181 |
11 | 6326026349 |
12 | 2a62030a45 |
13 | 152676a565 |
14 | a0ad5c7c1 |
15 | 5bccdbbdb |
hex | 3748e98d5 |
14840404181 has 4 divisors (see below), whose sum is σ = 14868889164. Its totient is φ = 14811919200.
The previous prime is 14840404151. The next prime is 14840404193. The reversal of 14840404181 is 18140404841.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18140404841 = 13 ⋅1395415757.
It can be written as a sum of positive squares in 2 ways, for example, as 2186404081 + 12654000100 = 46759^2 + 112490^2 .
It is a cyclic number.
It is not a de Polignac number, because 14840404181 - 210 = 14840403157 is a prime.
It is a super-2 number, since 2×148404041812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14840404151) 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, 14241710 + ... + 14242751.
It is an arithmetic number, because the mean of its divisors is an integer number (3717222291).
Almost surely, 214840404181 is an apocalyptic number.
It is an amenable number.
14840404181 is a deficient number, since it is larger than the sum of its proper divisors (28484983).
14840404181 is an equidigital number, since it uses as much as digits as its factorization.
14840404181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28484982.
The product of its (nonzero) digits is 16384, while the sum is 35.
The spelling of 14840404181 in words is "fourteen billion, eight hundred forty million, four hundred four thousand, one hundred eighty-one".
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