Base | Representation |
---|---|
bin | 10010110101110011… |
… | …110000010001000000 |
3 | 1221012212112012000021 |
4 | 102311303300101000 |
5 | 312412402043240 |
6 | 13143225303224 |
7 | 1314215055205 |
oct | 226563602100 |
9 | 57185465007 |
10 | 20230112320 |
11 | 86414098a0 |
12 | 3b07034b14 |
13 | 1ba5276082 |
14 | d9caa5cac |
15 | 7d607254a |
hex | 4b5cf0440 |
20230112320 has 112 divisors (see below), whose sum is σ = 54364737600. Its totient is φ = 7102699520.
The previous prime is 20230112317. The next prime is 20230112363. The reversal of 20230112320 is 2321103202.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 20230112294 and 20230112303.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2991 + ... + 201169.
Almost surely, 220230112320 is an apocalyptic number.
20230112320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20230112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27182368800).
20230112320 is an abundant number, since it is smaller than the sum of its proper divisors (34134625280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20230112320 is a wasteful number, since it uses less digits than its factorization.
20230112320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198236 (or 198226 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20230112320 its reverse (2321103202), we get a palindrome (22551215522).
The spelling of 20230112320 in words is "twenty billion, two hundred thirty million, one hundred twelve thousand, three hundred twenty".
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