Base | Representation |
---|---|
bin | 10001011001001000… |
… | …110010101100110000 |
3 | 1210012111221212212210 |
4 | 101121020302230300 |
5 | 301221342034344 |
6 | 12325045252120 |
7 | 1230535552353 |
oct | 213110625460 |
9 | 53174855783 |
10 | 18675346224 |
11 | 7a13823037 |
12 | 3752404040 |
13 | 19b811a232 |
14 | c923c829a |
15 | 74480adb9 |
hex | 459232b30 |
18675346224 has 80 divisors (see below), whose sum is σ = 50970309120. Its totient is φ = 5882553600.
The previous prime is 18675346199. The next prime is 18675346229. The reversal of 18675346224 is 42264357681.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (18675346229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77302 + ... + 208149.
It is an arithmetic number, because the mean of its divisors is an integer number (637128864).
Almost surely, 218675346224 is an apocalyptic number.
It is an amenable number.
18675346224 is an abundant number, since it is smaller than the sum of its proper divisors (32294962896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18675346224 is a wasteful number, since it uses less digits than its factorization.
18675346224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285538 (or 285532 counting only the distinct ones).
The product of its digits is 1935360, while the sum is 48.
The spelling of 18675346224 in words is "eighteen billion, six hundred seventy-five million, three hundred forty-six thousand, two hundred twenty-four".
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