Base | Representation |
---|---|
bin | 1110010100011… |
… | …00011011101110 |
3 | 22101000100220010 |
4 | 13022030123232 |
5 | 221222103003 |
6 | 15530234050 |
7 | 2655641214 |
oct | 712143356 |
9 | 271010803 |
10 | 120112878 |
11 | 61889646 |
12 | 34285926 |
13 | 1bb66412 |
14 | 11d48cb4 |
15 | a829003 |
hex | 728c6ee |
120112878 has 16 divisors (see below), whose sum is σ = 246718800. Its totient is φ = 38955456.
The previous prime is 120112873. The next prime is 120112933. The reversal of 120112878 is 878211021.
It is a happy number.
It is a super-2 number, since 2×1201128782 = 28854206922885768, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120112873) 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, 270303 + ... + 270746.
It is an arithmetic number, because the mean of its divisors is an integer number (15419925).
Almost surely, 2120112878 is an apocalyptic number.
120112878 is an abundant number, since it is smaller than the sum of its proper divisors (126605922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120112878 is a wasteful number, since it uses less digits than its factorization.
120112878 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 541091.
The product of its (nonzero) digits is 1792, while the sum is 30.
The square root of 120112878 is about 10959.6020913170. The cubic root of 120112878 is about 493.3970225582.
Adding to 120112878 its reverse (878211021), we get a palindrome (998323899).
The spelling of 120112878 in words is "one hundred twenty million, one hundred twelve thousand, eight hundred seventy-eight".
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