Base | Representation |
---|---|
bin | 11101110100100010… |
… | …111111101110000101 |
3 | 10001122112110201101111 |
4 | 131310202333232011 |
5 | 1011034121231041 |
6 | 22413153525021 |
7 | 2212326243055 |
oct | 356442775605 |
9 | 101575421344 |
10 | 32020102021 |
11 | 12641570636 |
12 | 6257573771 |
13 | 3033a5a13b |
14 | 179a857565 |
15 | c7615c981 |
hex | 7748bfb85 |
32020102021 has 32 divisors (see below), whose sum is σ = 35419718880. Its totient is φ = 28811059200.
The previous prime is 32020102007. The next prime is 32020102061. The reversal of 32020102021 is 12020102023.
It can be written as a sum of positive squares in 16 ways, for example, as 4931550625 + 27088551396 = 70225^2 + 164586^2 .
It is not a de Polignac number, because 32020102021 - 25 = 32020101989 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 32020101992 and 32020102010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32020102001) 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, 25073835 + ... + 25075111.
It is an arithmetic number, because the mean of its divisors is an integer number (1106866215).
Almost surely, 232020102021 is an apocalyptic number.
It is an amenable number.
32020102021 is a deficient number, since it is larger than the sum of its proper divisors (3399616859).
32020102021 is a wasteful number, since it uses less digits than its factorization.
32020102021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1785.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 32020102021 its reverse (12020102023), we get a palindrome (44040204044).
The spelling of 32020102021 in words is "thirty-two billion, twenty million, one hundred two thousand, twenty-one".
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