Base | Representation |
---|---|
bin | 10001101110010111… |
… | …011101011111111010 |
3 | 1211010100011000221220 |
4 | 101232113131133322 |
5 | 302434031404312 |
6 | 12424251212510 |
7 | 1242422122611 |
oct | 215627353772 |
9 | 54110130856 |
10 | 19031513082 |
11 | 808687a50a |
12 | 3831747136 |
13 | 1a43b5235a |
14 | cc781c878 |
15 | 765c11c8c |
hex | 46e5dd7fa |
19031513082 has 16 divisors (see below), whose sum is σ = 38125126560. Its totient is φ = 6333487632.
The previous prime is 19031513069. The next prime is 19031513099. The reversal of 19031513082 is 28031513091.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583532 + ... + 2590887.
It is an arithmetic number, because the mean of its divisors is an integer number (2382820410).
Almost surely, 219031513082 is an apocalyptic number.
19031513082 is an abundant number, since it is smaller than the sum of its proper divisors (19093613478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19031513082 is a wasteful number, since it uses less digits than its factorization.
19031513082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5175037.
The product of its (nonzero) digits is 6480, while the sum is 33.
Subtracting 19031513082 from its reverse (28031513091), we obtain a palindrome (9000000009).
The spelling of 19031513082 in words is "nineteen billion, thirty-one million, five hundred thirteen thousand, eighty-two".
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