Base | Representation |
---|---|
bin | 100110100000011110… |
… | …0010000011110100010 |
3 | 21220110002012012211001 |
4 | 1031000330100132202 |
5 | 2323324120312303 |
6 | 101553345342214 |
7 | 5655142456540 |
oct | 1150074203642 |
9 | 256402165731 |
10 | 82693916578 |
11 | 32085618519 |
12 | 1403a03796a |
13 | 7a4b29b5b0 |
14 | 4006866d90 |
15 | 223ec5131d |
hex | 1340f107a2 |
82693916578 has 64 divisors (see below), whose sum is σ = 162467762688. Its totient is φ = 30633200640.
The previous prime is 82693916573. The next prime is 82693916579. The reversal of 82693916578 is 87561939628.
It is not an unprimeable number, because it can be changed into a prime (82693916573) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 541683 + ... + 677353.
It is an arithmetic number, because the mean of its divisors is an integer number (2538558792).
It is a narcissistic number, because it is equal to 811 + 211 + 611 + 911 + 311 + 911 + 111 + 611 + 511 + 711 + 811.
Almost surely, 282693916578 is an apocalyptic number.
82693916578 is a deficient number, since it is larger than the sum of its proper divisors (79773846110).
82693916578 is a wasteful number, since it uses less digits than its factorization.
82693916578 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135907.
The product of its digits is 39191040, while the sum is 64.
The spelling of 82693916578 in words is "eighty-two billion, six hundred ninety-three million, nine hundred sixteen thousand, five hundred seventy-eight".
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