Base | Representation |
---|---|
bin | 10001110100001011… |
… | …001100010000111001 |
3 | 1211101010111212002010 |
4 | 101310023030100321 |
5 | 303134003210212 |
6 | 12442052000133 |
7 | 1245014322564 |
oct | 216413142071 |
9 | 54333455063 |
10 | 19128960057 |
11 | 81268878a9 |
12 | 385a300049 |
13 | 1a5b0b0a9c |
14 | cd67474db |
15 | 76e56003c |
hex | 4742cc439 |
19128960057 has 8 divisors (see below), whose sum is σ = 25658006976. Its totient is φ = 12676276592.
The previous prime is 19128960047. The next prime is 19128960073. The reversal of 19128960057 is 75006982191.
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 19128960057 - 222 = 19124765753 is a prime.
It is a super-2 number, since 2×191289600572 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 19128959988 and 19128960015.
It is not an unprimeable number, because it can be changed into a prime (19128960047) 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, 19090278 + ... + 19091279.
It is an arithmetic number, because the mean of its divisors is an integer number (3207250872).
Almost surely, 219128960057 is an apocalyptic number.
It is an amenable number.
19128960057 is a deficient number, since it is larger than the sum of its proper divisors (6529046919).
19128960057 is a wasteful number, since it uses less digits than its factorization.
19128960057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38181727.
The product of its (nonzero) digits is 272160, while the sum is 48.
The spelling of 19128960057 in words is "nineteen billion, one hundred twenty-eight million, nine hundred sixty thousand, fifty-seven".
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