Base | Representation |
---|---|
bin | 10001001110100100… |
… | …000101001000010000 |
3 | 1202202011011020022120 |
4 | 101032210011020100 |
5 | 300340433401344 |
6 | 12255311134240 |
7 | 1223252661015 |
oct | 211644051020 |
9 | 52664136276 |
10 | 18497950224 |
11 | 7932679876 |
12 | 3702b14380 |
13 | 198a4486a0 |
14 | c76a0b70c |
15 | 733e69219 |
hex | 44e905210 |
18497950224 has 80 divisors (see below), whose sum is σ = 51491329344. Its totient is φ = 5688460800.
The previous prime is 18497950217. The next prime is 18497950231. The reversal of 18497950224 is 42205979481.
It is an interprime number because it is at equal distance from previous prime (18497950217) and next prime (18497950231).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247494 + ... + 1262234.
Almost surely, 218497950224 is an apocalyptic number.
It is an amenable number.
18497950224 is an abundant number, since it is smaller than the sum of its proper divisors (32993379120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18497950224 is a wasteful number, since it uses less digits than its factorization.
18497950224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16776 (or 16770 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 51.
The spelling of 18497950224 in words is "eighteen billion, four hundred ninety-seven million, nine hundred fifty thousand, two hundred twenty-four".
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