Base | Representation |
---|---|
bin | 100110001110100000… |
… | …0010100000110100110 |
3 | 21211220001200220001221 |
4 | 1030131000110012212 |
5 | 2321110244001410 |
6 | 101413451010554 |
7 | 5634201663121 |
oct | 1143500240646 |
9 | 254801626057 |
10 | 82091000230 |
11 | 318a6258548 |
12 | 13ab0139a5a |
13 | 79833c1465 |
14 | 3d8a7613b8 |
15 | 2206d594da |
hex | 131d0141a6 |
82091000230 has 16 divisors (see below), whose sum is σ = 147809991024. Its totient is φ = 32826135520.
The previous prime is 82091000219. The next prime is 82091000231. The reversal of 82091000230 is 3200019028.
It is a junction number, because it is equal to n+sod(n) for n = 82091000195 and 82091000204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82091000231) 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, 1249441 + ... + 1313500.
It is an arithmetic number, because the mean of its divisors is an integer number (9238124439).
Almost surely, 282091000230 is an apocalyptic number.
82091000230 is a deficient number, since it is larger than the sum of its proper divisors (65718990794).
82091000230 is a wasteful number, since it uses less digits than its factorization.
82091000230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2566151.
The product of its (nonzero) digits is 864, while the sum is 25.
Adding to 82091000230 its reverse (3200019028), we get a palindrome (85291019258).
The spelling of 82091000230 in words is "eighty-two billion, ninety-one million, two hundred thirty", and thus it is an aban number.
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