Base | Representation |
---|---|
bin | 1110010100010… |
… | …10000011010011 |
3 | 22100222212111211 |
4 | 13022022003103 |
5 | 221221244443 |
6 | 15530120551 |
7 | 2655600610 |
oct | 712120323 |
9 | 270885454 |
10 | 120103123 |
11 | 61882288 |
12 | 34280157 |
13 | 1bb61b4a |
14 | 11d45507 |
15 | a82619d |
hex | 728a0d3 |
120103123 has 16 divisors (see below), whose sum is σ = 149472000. Its totient is φ = 94161312.
The previous prime is 120103111. The next prime is 120103129. The reversal of 120103123 is 321301021.
It is a de Polignac number, because none of the positive numbers 2k-120103123 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120103129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11713 + ... + 19426.
It is an arithmetic number, because the mean of its divisors is an integer number (9342000).
Almost surely, 2120103123 is an apocalyptic number.
120103123 is a deficient number, since it is larger than the sum of its proper divisors (29368877).
120103123 is a wasteful number, since it uses less digits than its factorization.
120103123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31194.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 120103123 is about 10959.1570387507. The cubic root of 120103123 is about 493.3836650722.
Adding to 120103123 its reverse (321301021), we get a palindrome (441404144).
The spelling of 120103123 in words is "one hundred twenty million, one hundred three thousand, one hundred twenty-three".
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