Base | Representation |
---|---|
bin | 10000110010101011… |
… | …000011001101011101 |
3 | 1201112112122200022101 |
4 | 100302223003031131 |
5 | 243411140442300 |
6 | 12141033445101 |
7 | 1205541413230 |
oct | 206253031535 |
9 | 51475580271 |
10 | 18030015325 |
11 | 7712523413 |
12 | 35b2270791 |
13 | 191450c52a |
14 | c30801417 |
15 | 707d36b6a |
hex | 432ac335d |
18030015325 has 48 divisors (see below), whose sum is σ = 27074775040. Its totient is φ = 11634840000.
The previous prime is 18030015323. The next prime is 18030015331. The reversal of 18030015325 is 52351003081.
It is not a de Polignac number, because 18030015325 - 21 = 18030015323 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18030015293 and 18030015302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18030015323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 484120 + ... + 520030.
Almost surely, 218030015325 is an apocalyptic number.
It is an amenable number.
18030015325 is a deficient number, since it is larger than the sum of its proper divisors (9044759715).
18030015325 is a wasteful number, since it uses less digits than its factorization.
18030015325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36098 (or 36093 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 28.
It can be divided in two parts, 180300 and 15325, that added together give a triangular number (195625 = T625).
The spelling of 18030015325 in words is "eighteen billion, thirty million, fifteen thousand, three hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •