Base | Representation |
---|---|
bin | 100110011000100111… |
… | …0001001110101110010 |
3 | 21212202200220121222222 |
4 | 1030301032021311302 |
5 | 2322304111010110 |
6 | 101511244401042 |
7 | 5645460622466 |
oct | 1146116116562 |
9 | 255680817888 |
10 | 82430172530 |
11 | 31a5a757732 |
12 | 13b85846182 |
13 | 7a08756124 |
14 | 3dbd8104a6 |
15 | 2226a04c55 |
hex | 1331389d72 |
82430172530 has 32 divisors (see below), whose sum is σ = 148910455296. Its totient is φ = 32853023424.
The previous prime is 82430172529. The next prime is 82430172541. The reversal of 82430172530 is 3527103428.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9147287 + ... + 9156293.
It is an arithmetic number, because the mean of its divisors is an integer number (4653451728).
Almost surely, 282430172530 is an apocalyptic number.
82430172530 is a deficient number, since it is larger than the sum of its proper divisors (66480282766).
82430172530 is a wasteful number, since it uses less digits than its factorization.
82430172530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12218.
The product of its (nonzero) digits is 40320, while the sum is 35.
Adding to 82430172530 its reverse (3527103428), we get a palindrome (85957275958).
The spelling of 82430172530 in words is "eighty-two billion, four hundred thirty million, one hundred seventy-two thousand, five hundred thirty".
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