Base | Representation |
---|---|
bin | 11110001100111111… |
… | …001000111100011101 |
3 | 10002201010000110011211 |
4 | 132030333020330131 |
5 | 1012404103224041 |
6 | 22522002144421 |
7 | 2225435403526 |
oct | 361477107435 |
9 | 102633013154 |
10 | 32430133021 |
11 | 12831a67a30 |
12 | 6350952111 |
13 | 309a9a1430 |
14 | 17d90ad84d |
15 | c9c153481 |
hex | 78cfc8f1d |
32430133021 has 16 divisors (see below), whose sum is σ = 39413525760. Its totient is φ = 26275677120.
The previous prime is 32430133003. The next prime is 32430133031. The reversal of 32430133021 is 12033103423.
It is not a de Polignac number, because 32430133021 - 219 = 32429608733 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 32430132983 and 32430133001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32430133031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3905925 + ... + 3914218.
It is an arithmetic number, because the mean of its divisors is an integer number (2463345360).
Almost surely, 232430133021 is an apocalyptic number.
It is an amenable number.
32430133021 is a deficient number, since it is larger than the sum of its proper divisors (6983392739).
32430133021 is a wasteful number, since it uses less digits than its factorization.
32430133021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7820196.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 32430133021 its reverse (12033103423), we get a palindrome (44463236444).
The spelling of 32430133021 in words is "thirty-two billion, four hundred thirty million, one hundred thirty-three thousand, twenty-one".
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