Base | Representation |
---|---|
bin | 1110010100010… |
… | …01110010011111 |
3 | 22100222211000222 |
4 | 13022021302133 |
5 | 221221231142 |
6 | 15530111555 |
7 | 2655564512 |
oct | 712116237 |
9 | 270884028 |
10 | 120102047 |
11 | 6188149a |
12 | 3427b5bb |
13 | 1bb61500 |
14 | 11d44d79 |
15 | a825bd2 |
hex | 7289c9f |
120102047 has 6 divisors (see below), whose sum is σ = 130051512. Its totient is φ = 110863272.
The previous prime is 120102013. The next prime is 120102077. The reversal of 120102047 is 740201021.
It is not a de Polignac number, because 120102047 - 214 = 120085663 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120102077) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355163 + ... + 355500.
It is an arithmetic number, because the mean of its divisors is an integer number (21675252).
Almost surely, 2120102047 is an apocalyptic number.
120102047 is a deficient number, since it is larger than the sum of its proper divisors (9949465).
120102047 is an equidigital number, since it uses as much as digits as its factorization.
120102047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 710689 (or 710676 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 17.
The square root of 120102047 is about 10959.1079472738. The cubic root of 120102047 is about 493.3821916650.
Adding to 120102047 its reverse (740201021), we get a palindrome (860303068).
The spelling of 120102047 in words is "one hundred twenty million, one hundred two thousand, forty-seven".
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