Base | Representation |
---|---|
bin | 10001100100001001… |
… | …110000001010001111 |
3 | 1210200101200202100200 |
4 | 101210021300022033 |
5 | 302111144203333 |
6 | 12355250224543 |
7 | 1235241415212 |
oct | 214411601217 |
9 | 53611622320 |
10 | 18860147343 |
11 | 7aa9074934 |
12 | 37a4285153 |
13 | 1a174b24cb |
14 | cacb71779 |
15 | 755b61c13 |
hex | 46427028f |
18860147343 has 12 divisors (see below), whose sum is σ = 27243827520. Its totient is φ = 12572788896.
The previous prime is 18860147321. The next prime is 18860147347. The reversal of 18860147343 is 34374106881.
18860147343 is a `hidden beast` number, since 1 + 8 + 8 + 601 + 4 + 7 + 34 + 3 = 666.
It is not a de Polignac number, because 18860147343 - 217 = 18860016271 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18860147347) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191155 + ... + 272507.
It is an arithmetic number, because the mean of its divisors is an integer number (2270318960).
Almost surely, 218860147343 is an apocalyptic number.
18860147343 is a deficient number, since it is larger than the sum of its proper divisors (8383680177).
18860147343 is a wasteful number, since it uses less digits than its factorization.
18860147343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107118 (or 107115 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 45.
The spelling of 18860147343 in words is "eighteen billion, eight hundred sixty million, one hundred forty-seven thousand, three hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •