Base | Representation |
---|---|
bin | 10010001111010000… |
… | …111101101100010100 |
3 | 1212112210201202010210 |
4 | 102033100331230110 |
5 | 310101331124233 |
6 | 12555125245420 |
7 | 1262203434636 |
oct | 221720755424 |
9 | 55483652123 |
10 | 19583458068 |
11 | 833a395999 |
12 | 3966563870 |
13 | 1b012c3c15 |
14 | d3ac56a56 |
15 | 7993db163 |
hex | 48f43db14 |
19583458068 has 24 divisors (see below), whose sum is σ = 45701742240. Its totient is φ = 6526818400.
The previous prime is 19583458067. The next prime is 19583458129. The reversal of 19583458068 is 86085438591.
It is a super-2 number, since 2×195834580682 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 19583457999 and 19583458017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19583458067) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41358 + ... + 202181.
It is an arithmetic number, because the mean of its divisors is an integer number (1904239260).
Almost surely, 219583458068 is an apocalyptic number.
It is an amenable number.
19583458068 is an abundant number, since it is smaller than the sum of its proper divisors (26118284172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19583458068 is a wasteful number, since it uses less digits than its factorization.
19583458068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250247 (or 250245 counting only the distinct ones).
The product of its (nonzero) digits is 8294400, while the sum is 57.
The spelling of 19583458068 in words is "nineteen billion, five hundred eighty-three million, four hundred fifty-eight thousand, sixty-eight".
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