Base | Representation |
---|---|
bin | 10001111101110100… |
… | …111111000110011001 |
3 | 1211210102020211011222 |
4 | 101331310333012121 |
5 | 304001433124004 |
6 | 12510115101425 |
7 | 1252022016260 |
oct | 217564770631 |
9 | 54712224158 |
10 | 19290911129 |
11 | 81aa242066 |
12 | 38a45a1875 |
13 | 1a85805619 |
14 | d100635d7 |
15 | 77d8a07be |
hex | 47dd3f199 |
19290911129 has 8 divisors (see below), whose sum is σ = 22051113408. Its totient is φ = 16531798320.
The previous prime is 19290911111. The next prime is 19290911153. The reversal of 19290911129 is 92111909291.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19290911129 - 212 = 19290907033 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 19290911129.
It is not an unprimeable number, because it can be changed into a prime (19290911429) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234062 + ... + 305559.
It is an arithmetic number, because the mean of its divisors is an integer number (2756389176).
Almost surely, 219290911129 is an apocalyptic number.
It is an amenable number.
19290911129 is a deficient number, since it is larger than the sum of its proper divisors (2760202279).
19290911129 is an equidigital number, since it uses as much as digits as its factorization.
19290911129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 544735.
The product of its (nonzero) digits is 26244, while the sum is 44.
The spelling of 19290911129 in words is "nineteen billion, two hundred ninety million, nine hundred eleven thousand, one hundred twenty-nine".
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