Base | Representation |
---|---|
bin | 10010001000011011… |
… | …001010110010010101 |
3 | 1212020210210001112222 |
4 | 102020123022302111 |
5 | 304332441131004 |
6 | 12535505352125 |
7 | 1256311104551 |
oct | 221033126225 |
9 | 55223701488 |
10 | 19468692629 |
11 | 8290629a21 |
12 | 3934038645 |
13 | 1ab35b0789 |
14 | d29900861 |
15 | 78e2bb7be |
hex | 4886cac95 |
19468692629 has 2 divisors, whose sum is σ = 19468692630. Its totient is φ = 19468692628.
The previous prime is 19468692521. The next prime is 19468692709. The reversal of 19468692629 is 92629686491.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19258500625 + 210192004 = 138775^2 + 14498^2 .
It is an emirp because it is prime and its reverse (92629686491) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 19468692629 - 216 = 19468627093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (19468692329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9734346314 + 9734346315.
It is an arithmetic number, because the mean of its divisors is an integer number (9734346315).
Almost surely, 219468692629 is an apocalyptic number.
It is an amenable number.
19468692629 is a deficient number, since it is larger than the sum of its proper divisors (1).
19468692629 is an equidigital number, since it uses as much as digits as its factorization.
19468692629 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 20155392, while the sum is 62.
The spelling of 19468692629 in words is "nineteen billion, four hundred sixty-eight million, six hundred ninety-two thousand, six hundred twenty-nine".
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