Base | Representation |
---|---|
bin | 10010110110001110… |
… | …111010100011100001 |
3 | 1221020100220220212012 |
4 | 102312032322203201 |
5 | 312421212413403 |
6 | 13144042042305 |
7 | 1314332431262 |
oct | 226616724341 |
9 | 57210826765 |
10 | 20237232353 |
11 | 8645432218 |
12 | 3b094a9395 |
13 | 1ba6899b00 |
14 | d9d9da969 |
15 | 7d69cbed8 |
hex | 4b63ba8e1 |
20237232353 has 24 divisors (see below), whose sum is σ = 22756247640. Its totient is φ = 17974794240.
The previous prime is 20237232289. The next prime is 20237232359. The reversal of 20237232353 is 35323273202.
It can be written as a sum of positive squares in 12 ways, for example, as 7484499169 + 12752733184 = 86513^2 + 112928^2 .
It is not a de Polignac number, because 20237232353 - 26 = 20237232289 is a prime.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20237232359) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485813 + ... + 525821.
It is an arithmetic number, because the mean of its divisors is an integer number (948176985).
Almost surely, 220237232353 is an apocalyptic number.
It is an amenable number.
20237232353 is a deficient number, since it is larger than the sum of its proper divisors (2519015287).
20237232353 is a wasteful number, since it uses less digits than its factorization.
20237232353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40149 (or 40136 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 32.
The spelling of 20237232353 in words is "twenty billion, two hundred thirty-seven million, two hundred thirty-two thousand, three hundred fifty-three".
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