Base | Representation |
---|---|
bin | 11000010000001111… |
… | …01000110111110000 |
3 | 1020121110112112102222 |
4 | 30020013220313300 |
5 | 203131401401112 |
6 | 5552023500212 |
7 | 640450465622 |
oct | 141007506760 |
9 | 36543475388 |
10 | 13021122032 |
11 | 55820a1786 |
12 | 26348b7668 |
13 | 12c6888a49 |
14 | 8b74a6c12 |
15 | 513225372 |
hex | 3081e8df0 |
13021122032 has 40 divisors (see below), whose sum is σ = 26206886640. Its totient is φ = 6259921920.
The previous prime is 13021122007. The next prime is 13021122053. The reversal of 13021122032 is 23022112031.
It is a self number, because there is not a number n which added to its sum of digits gives 13021122032.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53603 + ... + 170045.
It is an arithmetic number, because the mean of its divisors is an integer number (655172166).
Almost surely, 213021122032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13021122032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13103443320).
13021122032 is an abundant number, since it is smaller than the sum of its proper divisors (13185764608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13021122032 is a wasteful number, since it uses less digits than its factorization.
13021122032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116721 (or 116715 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 13021122032 its reverse (23022112031), we get a palindrome (36043234063).
The spelling of 13021122032 in words is "thirteen billion, twenty-one million, one hundred twenty-two thousand, thirty-two".
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