Base | Representation |
---|---|
bin | 10001000100100110… |
… | …000001101100110111 |
3 | 1202022111102110002220 |
4 | 101010212001230313 |
5 | 300020124011221 |
6 | 12230534133423 |
7 | 1216152164655 |
oct | 210446015467 |
9 | 52274373086 |
10 | 18330688311 |
11 | 7857217491 |
12 | 3676ab1273 |
13 | 19618b4740 |
14 | c5c70bdd5 |
15 | 72442a0c6 |
hex | 444981b37 |
18330688311 has 96 divisors (see below), whose sum is σ = 30072349440. Its totient is φ = 9811694592.
The previous prime is 18330688303. The next prime is 18330688351. The reversal of 18330688311 is 11388603381.
It is not a de Polignac number, because 18330688311 - 23 = 18330688303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18330688351) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23291460 + ... + 23292246.
It is an arithmetic number, because the mean of its divisors is an integer number (313253640).
Almost surely, 218330688311 is an apocalyptic number.
18330688311 is a deficient number, since it is larger than the sum of its proper divisors (11741661129).
18330688311 is a wasteful number, since it uses less digits than its factorization.
18330688311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 925 (or 882 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 42.
The spelling of 18330688311 in words is "eighteen billion, three hundred thirty million, six hundred eighty-eight thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •