Base | Representation |
---|---|
bin | 10010011110011111… |
… | …000111001001101011 |
3 | 1220012121020201210210 |
4 | 102132133013021223 |
5 | 311112214400232 |
6 | 13040330512203 |
7 | 1301424142065 |
oct | 223637071153 |
9 | 56177221723 |
10 | 19838825067 |
11 | 84605549a6 |
12 | 3a17b95663 |
13 | 1b42195459 |
14 | d62b2c735 |
15 | 7b1a305cc |
hex | 49e7c726b |
19838825067 has 16 divisors (see below), whose sum is σ = 27227308032. Its totient is φ = 12842544960.
The previous prime is 19838825063. The next prime is 19838825077. The reversal of 19838825067 is 76052883891.
It is a happy number.
It is not a de Polignac number, because 19838825067 - 22 = 19838825063 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 19838824998 and 19838825016.
It is not an unprimeable number, because it can be changed into a prime (19838825063) 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, 536034 + ... + 571847.
It is an arithmetic number, because the mean of its divisors is an integer number (1701706752).
Almost surely, 219838825067 is an apocalyptic number.
19838825067 is a deficient number, since it is larger than the sum of its proper divisors (7388482965).
19838825067 is a wasteful number, since it uses less digits than its factorization.
19838825067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1108058.
The product of its (nonzero) digits is 5806080, while the sum is 57.
The spelling of 19838825067 in words is "nineteen billion, eight hundred thirty-eight million, eight hundred twenty-five thousand, sixty-seven".
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