Base | Representation |
---|---|
bin | 1110010101001… |
… | …00101010011000 |
3 | 22101012102000202 |
4 | 13022210222120 |
5 | 221233241440 |
6 | 15532321332 |
7 | 2656533440 |
oct | 712445230 |
9 | 271172022 |
10 | 120212120 |
11 | 61947166 |
12 | 34313248 |
13 | 1bb9c642 |
14 | 11d73120 |
15 | a848615 |
hex | 72a4a98 |
120212120 has 32 divisors (see below), whose sum is σ = 309117600. Its totient is φ = 41215488.
The previous prime is 120212089. The next prime is 120212129. The reversal of 120212120 is 21212021.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120212129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214385 + ... + 214944.
It is an arithmetic number, because the mean of its divisors is an integer number (9659925).
Almost surely, 2120212120 is an apocalyptic number.
120212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120212120 is an abundant number, since it is smaller than the sum of its proper divisors (188905480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120212120 is a wasteful number, since it uses less digits than its factorization.
120212120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 429347 (or 429343 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 120212120 is about 10964.1287843586. The cubic root of 120212120 is about 493.5328731806.
Adding to 120212120 its reverse (21212021), we get a palindrome (141424141).
Subtracting from 120212120 its reverse (21212021), we obtain a palindrome (99000099).
It can be divided in two parts, 12021 and 2120, that added together give a palindrome (14141).
The spelling of 120212120 in words is "one hundred twenty million, two hundred twelve thousand, one hundred twenty".
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