Base | Representation |
---|---|
bin | 10000110010111100… |
… | …000100100000100010 |
3 | 1201112212001100200221 |
4 | 100302330010200202 |
5 | 243413311231330 |
6 | 12141313233254 |
7 | 1205624345260 |
oct | 206274044042 |
9 | 51485040627 |
10 | 18034477090 |
11 | 7714aa0623 |
12 | 35b386282a |
13 | 1915412326 |
14 | c31243430 |
15 | 708418b7a |
hex | 432f04822 |
18034477090 has 16 divisors (see below), whose sum is σ = 37099495872. Its totient is φ = 6183249264.
The previous prime is 18034476991. The next prime is 18034477099. The reversal of 18034477090 is 9077443081.
It is not an unprimeable number, because it can be changed into a prime (18034477099) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128817624 + ... + 128817763.
It is an arithmetic number, because the mean of its divisors is an integer number (2318718492).
Almost surely, 218034477090 is an apocalyptic number.
18034477090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18034477090 is an abundant number, since it is smaller than the sum of its proper divisors (19065018782).
18034477090 is a wasteful number, since it uses less digits than its factorization.
18034477090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257635401.
The product of its (nonzero) digits is 169344, while the sum is 43.
The spelling of 18034477090 in words is "eighteen billion, thirty-four million, four hundred seventy-seven thousand, ninety".
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