Base | Representation |
---|---|
bin | 1110010100010… |
… | …01010100011000 |
3 | 22100222201101121 |
4 | 13022021110120 |
5 | 221221200440 |
6 | 15530055024 |
7 | 2655556060 |
oct | 712112430 |
9 | 270881347 |
10 | 120100120 |
11 | 6187aaa8 |
12 | 3427a474 |
13 | 1bb6067a |
14 | 11d443a0 |
15 | a82534a |
hex | 7289518 |
120100120 has 64 divisors (see below), whose sum is σ = 314694720. Its totient is φ = 40395264.
The previous prime is 120100103. The next prime is 120100139. The reversal of 120100120 is 21001021.
It is a Harshad number since it is a multiple of its sum of digits (7).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10794 + ... + 18886.
It is an arithmetic number, because the mean of its divisors is an integer number (4917105).
Almost surely, 2120100120 is an apocalyptic number.
120100120 is a gapful number since it is divisible by the number (10) 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 120100120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157347360).
120100120 is an abundant number, since it is smaller than the sum of its proper divisors (194594600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120100120 is a wasteful number, since it uses less digits than its factorization.
120100120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8164 (or 8160 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 7.
The square root of 120100120 is about 10959.0200291814. The cubic root of 120100120 is about 493.3795529296.
Adding to 120100120 its reverse (21001021), we get a palindrome (141101141).
Subtracting from 120100120 its reverse (21001021), we obtain a palindrome (99099099).
It can be divided in two parts, 1201001 and 20, that added together give a palindrome (1201021).
The spelling of 120100120 in words is "one hundred twenty million, one hundred thousand, one hundred twenty".
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