Base | Representation |
---|---|
bin | 10010110101011001… |
… | …011011101001011000 |
3 | 1221012101112121201022 |
4 | 102311121123221120 |
5 | 312404120241440 |
6 | 13142421342012 |
7 | 1314102316046 |
oct | 226531335130 |
9 | 57171477638 |
10 | 20223212120 |
11 | 8638526651 |
12 | 3b04867908 |
13 | 1ba39cb407 |
14 | d9bbcb396 |
15 | 7d565ccb5 |
hex | 4b565ba58 |
20223212120 has 32 divisors (see below), whose sum is σ = 46360764720. Its totient is φ = 7936656000.
The previous prime is 20223212117. The next prime is 20223212159. The reversal of 20223212120 is 2121232202.
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, 4767506 + ... + 4771745.
Almost surely, 220223212120 is an apocalyptic number.
20223212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20223212120 is an abundant number, since it is smaller than the sum of its proper divisors (26137552600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20223212120 is a wasteful number, since it uses less digits than its factorization.
20223212120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9539315 (or 9539311 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 20223212120 its reverse (2121232202), we get a palindrome (22344444322).
The spelling of 20223212120 in words is "twenty billion, two hundred twenty-three million, two hundred twelve thousand, one hundred twenty".
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