Base | Representation |
---|---|
bin | 10010110101111011… |
… | …110101010110101000 |
3 | 1221020000111210100102 |
4 | 102311323311112220 |
5 | 312413422332222 |
6 | 13143342524532 |
7 | 1314242056130 |
oct | 226573652650 |
9 | 57200453312 |
10 | 20232230312 |
11 | 86426260a8 |
12 | 3b07896748 |
13 | 1ba5838118 |
14 | d9d097ac0 |
15 | 7d633ed92 |
hex | 4b5ef55a8 |
20232230312 has 128 divisors (see below), whose sum is σ = 45917625600. Its totient is φ = 8176896000.
The previous prime is 20232230309. The next prime is 20232230341. The reversal of 20232230312 is 21303223202.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9970514 + ... + 9972542.
It is an arithmetic number, because the mean of its divisors is an integer number (358731450).
Almost surely, 220232230312 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 20232230312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22958812800).
20232230312 is an abundant number, since it is smaller than the sum of its proper divisors (25685395288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20232230312 is a wasteful number, since it uses less digits than its factorization.
20232230312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2227 (or 2223 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 20232230312 its reverse (21303223202), we get a palindrome (41535453514).
The spelling of 20232230312 in words is "twenty billion, two hundred thirty-two million, two hundred thirty thousand, three hundred twelve".
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