Base | Representation |
---|---|
bin | 10000110001111000… |
… | …100111000101101111 |
3 | 1201111121202220121112 |
4 | 100301320213011233 |
5 | 243344244333233 |
6 | 12135442222235 |
7 | 1205321133062 |
oct | 206170470557 |
9 | 51447686545 |
10 | 18016792943 |
11 | 7706012226 |
12 | 35a995497b |
13 | 1911860036 |
14 | c2cb5c8d9 |
15 | 706ac4048 |
hex | 431e2716f |
18016792943 has 2 divisors, whose sum is σ = 18016792944. Its totient is φ = 18016792942.
The previous prime is 18016792903. The next prime is 18016792949. The reversal of 18016792943 is 34929761081.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 18016792943 - 28 = 18016792687 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18016792891 and 18016792900.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (18016792949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9008396471 + 9008396472.
It is an arithmetic number, because the mean of its divisors is an integer number (9008396472).
Almost surely, 218016792943 is an apocalyptic number.
18016792943 is a deficient number, since it is larger than the sum of its proper divisors (1).
18016792943 is an equidigital number, since it uses as much as digits as its factorization.
18016792943 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 653184, while the sum is 50.
The spelling of 18016792943 in words is "eighteen billion, sixteen million, seven hundred ninety-two thousand, nine hundred forty-three".
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