Base | Representation |
---|---|
bin | 10010001000100010… |
… | …110000101011011100 |
3 | 1212020221112011121122 |
4 | 102020202300223130 |
5 | 304333443322334 |
6 | 12540020150112 |
7 | 1256334034124 |
oct | 221042605334 |
9 | 55227464548 |
10 | 19470682844 |
11 | 8291769228 |
12 | 3934838338 |
13 | 1ab3b29612 |
14 | d29c9bc84 |
15 | 78e56132e |
hex | 4888b0adc |
19470682844 has 12 divisors (see below), whose sum is σ = 35555160144. Its totient is φ = 9312065664.
The previous prime is 19470682843. The next prime is 19470682849. The reversal of 19470682844 is 44828607491.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19470682841) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105818837 + ... + 105819020.
It is an arithmetic number, because the mean of its divisors is an integer number (2962930012).
Almost surely, 219470682844 is an apocalyptic number.
It is an amenable number.
19470682844 is a deficient number, since it is larger than the sum of its proper divisors (16084477300).
19470682844 is a wasteful number, since it uses less digits than its factorization.
19470682844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211637884 (or 211637882 counting only the distinct ones).
The product of its (nonzero) digits is 3096576, while the sum is 53.
The spelling of 19470682844 in words is "nineteen billion, four hundred seventy million, six hundred eighty-two thousand, eight hundred forty-four".
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