Base | Representation |
---|---|
bin | 10001000101001101… |
… | …101001001101001101 |
3 | 1202100012222002020110 |
4 | 101011031221031031 |
5 | 300030303324431 |
6 | 12231544510233 |
7 | 1216336361124 |
oct | 210515511515 |
9 | 52305862213 |
10 | 18341073741 |
11 | 7862070191 |
12 | 367a47b379 |
13 | 1963aac873 |
14 | c5dc52abb |
15 | 7252cc346 |
hex | 44536934d |
18341073741 has 4 divisors (see below), whose sum is σ = 24454764992. Its totient is φ = 12227382492.
The previous prime is 18341073733. The next prime is 18341073767. The reversal of 18341073741 is 14737014381.
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.
It is not a de Polignac number, because 18341073741 - 23 = 18341073733 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 18341073741.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18341073791) 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, 3056845621 + ... + 3056845626.
It is an arithmetic number, because the mean of its divisors is an integer number (6113691248).
Almost surely, 218341073741 is an apocalyptic number.
It is an amenable number.
18341073741 is a deficient number, since it is larger than the sum of its proper divisors (6113691251).
18341073741 is an equidigital number, since it uses as much as digits as its factorization.
18341073741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6113691250.
The product of its (nonzero) digits is 56448, while the sum is 39.
The spelling of 18341073741 in words is "eighteen billion, three hundred forty-one million, seventy-three thousand, seven hundred forty-one".
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