Base | Representation |
---|---|
bin | 1110010011100… |
… | …11111010011010 |
3 | 22100211021010021 |
4 | 13021303322122 |
5 | 221210344232 |
6 | 15524141054 |
7 | 2655042334 |
oct | 711637232 |
9 | 270737107 |
10 | 120012442 |
11 | 61820140 |
12 | 3423778a |
13 | 1bb2c7a4 |
14 | 11d20454 |
15 | a809397 |
hex | 7273e9a |
120012442 has 16 divisors (see below), whose sum is σ = 198332064. Its totient is φ = 54010000.
The previous prime is 120012421. The next prime is 120012449. The reversal of 120012442 is 244210021.
It is not an unprimeable number, because it can be changed into a prime (120012449) 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, 24784 + ... + 29227.
It is an arithmetic number, because the mean of its divisors is an integer number (12395754).
Almost surely, 2120012442 is an apocalyptic number.
120012442 is a deficient number, since it is larger than the sum of its proper divisors (78319622).
120012442 is a wasteful number, since it uses less digits than its factorization.
120012442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54125.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 120012442 is about 10955.0190323888. The cubic root of 120012442 is about 493.2594612829.
Adding to 120012442 its reverse (244210021), we get a palindrome (364222463).
The spelling of 120012442 in words is "one hundred twenty million, twelve thousand, four hundred forty-two".
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