Base | Representation |
---|---|
bin | 10010011000111110… |
… | …000111101000100100 |
3 | 1212222011010110211221 |
4 | 102120332013220210 |
5 | 310420022241322 |
6 | 13023223310124 |
7 | 1266221461135 |
oct | 223076075044 |
9 | 55864113757 |
10 | 19746290212 |
11 | 84132a2110 |
12 | 39b0bab344 |
13 | 1b28c667bc |
14 | d54721c8c |
15 | 7a88529c7 |
hex | 498f87a24 |
19746290212 has 12 divisors (see below), whose sum is σ = 37697463216. Its totient is φ = 8975586440.
The previous prime is 19746290209. The next prime is 19746290231. The reversal of 19746290212 is 21209264791.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224389618 + ... + 224389705.
It is an arithmetic number, because the mean of its divisors is an integer number (3141455268).
Almost surely, 219746290212 is an apocalyptic number.
It is an amenable number.
19746290212 is a deficient number, since it is larger than the sum of its proper divisors (17951173004).
19746290212 is a wasteful number, since it uses less digits than its factorization.
19746290212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448779338 (or 448779336 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 43.
The spelling of 19746290212 in words is "nineteen billion, seven hundred forty-six million, two hundred ninety thousand, two hundred twelve".
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