Base | Representation |
---|---|
bin | 10001101000010010… |
… | …111001001000010110 |
3 | 1210212020110222011100 |
4 | 101220102321020112 |
5 | 302231442332441 |
6 | 12410212050530 |
7 | 1240044250341 |
oct | 215022711026 |
9 | 53766428140 |
10 | 18929652246 |
11 | 80343279aa |
12 | 3803603a46 |
13 | 1a28a0987b |
14 | cb80a5458 |
15 | 75bce0cb6 |
hex | 4684b9216 |
18929652246 has 12 divisors (see below), whose sum is σ = 41014246572. Its totient is φ = 6309884076.
The previous prime is 18929652227. The next prime is 18929652263. The reversal of 18929652246 is 64225692981.
It is a junction number, because it is equal to n+sod(n) for n = 18929652192 and 18929652201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525823656 + ... + 525823691.
It is an arithmetic number, because the mean of its divisors is an integer number (3417853881).
Almost surely, 218929652246 is an apocalyptic number.
18929652246 is an abundant number, since it is smaller than the sum of its proper divisors (22084594326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18929652246 is a wasteful number, since it uses less digits than its factorization.
18929652246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1051647355 (or 1051647352 counting only the distinct ones).
The product of its digits is 3732480, while the sum is 54.
The spelling of 18929652246 in words is "eighteen billion, nine hundred twenty-nine million, six hundred fifty-two thousand, two hundred forty-six".
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