Base | Representation |
---|---|
bin | 10000100110101011… |
… | …111100100110100101 |
3 | 1201000112021011121121 |
4 | 100212223330212211 |
5 | 243003201030223 |
6 | 12105051413541 |
7 | 1200550231501 |
oct | 204653744645 |
9 | 51015234547 |
10 | 17828923813 |
11 | 7619a65388 |
12 | 3556a542b1 |
13 | 18b196247c |
14 | c11c17301 |
15 | 6e536415d |
hex | 426afc9a5 |
17828923813 has 16 divisors (see below), whose sum is σ = 18381275136. Its totient is φ = 17286882480.
The previous prime is 17828923811. The next prime is 17828923867. The reversal of 17828923813 is 31832982871.
It is a cyclic number.
It is not a de Polignac number, because 17828923813 - 21 = 17828923811 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17828923811) 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, 1307356 + ... + 1320922.
It is an arithmetic number, because the mean of its divisors is an integer number (1148829696).
Almost surely, 217828923813 is an apocalyptic number.
It is an amenable number.
17828923813 is a deficient number, since it is larger than the sum of its proper divisors (552351323).
17828923813 is a wasteful number, since it uses less digits than its factorization.
17828923813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13944.
The product of its digits is 1161216, while the sum is 52.
The spelling of 17828923813 in words is "seventeen billion, eight hundred twenty-eight million, nine hundred twenty-three thousand, eight hundred thirteen".
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