Base | Representation |
---|---|
bin | 10001110100010110… |
… | …000000011001100001 |
3 | 1211101022211212221112 |
4 | 101310112000121201 |
5 | 303140214420131 |
6 | 12442232433105 |
7 | 1245050401052 |
oct | 216426003141 |
9 | 54338755845 |
10 | 19131795041 |
11 | 8128443867 |
12 | 385b248795 |
13 | 1a5b8642a8 |
14 | cd6c84729 |
15 | 76e92002b |
hex | 474580661 |
19131795041 has 8 divisors (see below), whose sum is σ = 19336968000. Its totient is φ = 18927646000.
The previous prime is 19131795037. The next prime is 19131795143. The reversal of 19131795041 is 14059713191.
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 19131795041 - 22 = 19131795037 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 19131795041.
It is not an unprimeable number, because it can be changed into a prime (19131792041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218381 + ... + 293178.
It is an arithmetic number, because the mean of its divisors is an integer number (2417121000).
Almost surely, 219131795041 is an apocalyptic number.
It is an amenable number.
19131795041 is a deficient number, since it is larger than the sum of its proper divisors (205172959).
19131795041 is a wasteful number, since it uses less digits than its factorization.
19131795041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 511959.
The product of its (nonzero) digits is 34020, while the sum is 41.
The spelling of 19131795041 in words is "nineteen billion, one hundred thirty-one million, seven hundred ninety-five thousand, forty-one".
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