Base | Representation |
---|---|
bin | 1110010101000… |
… | …01101110111000 |
3 | 22101011210120022 |
4 | 13022201232320 |
5 | 221232400440 |
6 | 15532150012 |
7 | 2656453445 |
oct | 712415670 |
9 | 271153508 |
10 | 120200120 |
11 | 61939147 |
12 | 34308308 |
13 | 1bb97041 |
14 | 11d6c9cc |
15 | a844cb5 |
hex | 72a1bb8 |
120200120 has 32 divisors (see below), whose sum is σ = 271883520. Its totient is φ = 47825280.
The previous prime is 120200071. The next prime is 120200123. The reversal of 120200120 is 21002021.
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a junction number, because it is equal to n+sod(n) for n = 120200098 and 120200107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120200123) 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, 227 + ... + 15506.
It is an arithmetic number, because the mean of its divisors is an integer number (8496360).
Almost surely, 2120200120 is an apocalyptic number.
120200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120200120 is an abundant number, since it is smaller than the sum of its proper divisors (151683400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120200120 is a wasteful number, since it uses less digits than its factorization.
120200120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15935 (or 15931 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 120200120 is about 10963.5815315981. The cubic root of 120200120 is about 493.5164505671.
Adding to 120200120 its reverse (21002021), we get a palindrome (141202141).
It can be divided in two parts, 1202001 and 20, that added together give a palindrome (1202021).
The spelling of 120200120 in words is "one hundred twenty million, two hundred thousand, one hundred twenty".
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