Base | Representation |
---|---|
bin | 1110010110110… |
… | …01110111011010 |
3 | 22101121110221221 |
4 | 13023121313122 |
5 | 221312230132 |
6 | 15541122254 |
7 | 2661431665 |
oct | 713316732 |
9 | 271543857 |
10 | 120430042 |
11 | 61a85967 |
12 | 343b938a |
13 | 1bc478a5 |
14 | 11dcc6dc |
15 | a88ce97 |
hex | 72d9dda |
120430042 has 16 divisors (see below), whose sum is σ = 185889312. Its totient is φ = 58473360.
The previous prime is 120430007. The next prime is 120430087. The reversal of 120430042 is 240034021.
It is a super-2 number, since 2×1204300422 = 29006790032243528, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 120429998 and 120430025.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46317 + ... + 48847.
It is an arithmetic number, because the mean of its divisors is an integer number (11618082).
Almost surely, 2120430042 is an apocalyptic number.
120430042 is a deficient number, since it is larger than the sum of its proper divisors (65459270).
120430042 is a wasteful number, since it uses less digits than its factorization.
120430042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3213.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 120430042 is about 10974.0622378406. The cubic root of 120430042 is about 493.8309206260.
Adding to 120430042 its reverse (240034021), we get a palindrome (360464063).
The spelling of 120430042 in words is "one hundred twenty million, four hundred thirty thousand, forty-two".
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