Base | Representation |
---|---|
bin | 11101110100100110… |
… | …111000011111110100 |
3 | 10001122121101111011220 |
4 | 131310212320133310 |
5 | 1011034401333022 |
6 | 22413231430340 |
7 | 2212341015636 |
oct | 356446703764 |
9 | 101577344156 |
10 | 32021121012 |
11 | 126420a7181 |
12 | 62579853b0 |
13 | 3034025baa |
14 | 179aa40a56 |
15 | c762ae85c |
hex | 7749b87f4 |
32021121012 has 12 divisors (see below), whose sum is σ = 74715949056. Its totient is φ = 10673707000.
The previous prime is 32021120981. The next prime is 32021121017. The reversal of 32021121012 is 21012112023.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 32021120982 and 32021121000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32021121017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334213364 + ... + 1334213387.
It is an arithmetic number, because the mean of its divisors is an integer number (6226329088).
Almost surely, 232021121012 is an apocalyptic number.
It is an amenable number.
32021121012 is an abundant number, since it is smaller than the sum of its proper divisors (42694828044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32021121012 is a wasteful number, since it uses less digits than its factorization.
32021121012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2668426758 (or 2668426756 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 32021121012 its reverse (21012112023), we get a palindrome (53033233035).
The spelling of 32021121012 in words is "thirty-two billion, twenty-one million, one hundred twenty-one thousand, twelve".
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