Base | Representation |
---|---|
bin | 10010101111010000… |
… | …100000101011001000 |
3 | 1220221012201120112102 |
4 | 102233100200223020 |
5 | 312201233210440 |
6 | 13124301532532 |
7 | 1311411651503 |
oct | 225720405310 |
9 | 56835646472 |
10 | 20120210120 |
11 | 859537472a |
12 | 3a96274148 |
13 | 1b8857639a |
14 | d8c25813a |
15 | 7cb5b3b15 |
hex | 4af420ac8 |
20120210120 has 32 divisors (see below), whose sum is σ = 45294837120. Its totient is φ = 8043752640.
The previous prime is 20120210069. The next prime is 20120210137. The reversal of 20120210120 is 2101202102.
It is a happy 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, 59582 + ... + 209261.
It is an arithmetic number, because the mean of its divisors is an integer number (1415463660).
Almost surely, 220120210120 is an apocalyptic number.
20120210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20120210120 is an abundant number, since it is smaller than the sum of its proper divisors (25174627000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20120210120 is a wasteful number, since it uses less digits than its factorization.
20120210120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270725 (or 270721 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 20120210120 its reverse (2101202102), we get a palindrome (22221412222).
The spelling of 20120210120 in words is "twenty billion, one hundred twenty million, two hundred ten thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •