Base | Representation |
---|---|
bin | 1110010100100… |
… | …11110010110101 |
3 | 22101001220020211 |
4 | 13022103302311 |
5 | 221224034104 |
6 | 15531025421 |
7 | 2656125136 |
oct | 712236265 |
9 | 271056224 |
10 | 120143029 |
11 | 618aa266 |
12 | 3429b271 |
13 | 1bb77066 |
14 | 11d55c8d |
15 | a832e04 |
hex | 7293cb5 |
120143029 has 4 divisors (see below), whose sum is σ = 127210284. Its totient is φ = 113075776.
The previous prime is 120143017. The next prime is 120143041. The reversal of 120143029 is 920341021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920341021 = 23 ⋅40014827.
It is an interprime number because it is at equal distance from previous prime (120143017) and next prime (120143041).
It can be written as a sum of positive squares in 2 ways, for example, as 56175025 + 63968004 = 7495^2 + 7998^2 .
It is a cyclic number.
It is not a de Polignac number, because 120143029 - 213 = 120134837 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 (120143729) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3533602 + ... + 3533635.
It is an arithmetic number, because the mean of its divisors is an integer number (31802571).
Almost surely, 2120143029 is an apocalyptic number.
It is an amenable number.
120143029 is a deficient number, since it is larger than the sum of its proper divisors (7067255).
120143029 is an equidigital number, since it uses as much as digits as its factorization.
120143029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7067254.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 120143029 is about 10960.9775567693. The cubic root of 120143029 is about 493.4383036411.
The spelling of 120143029 in words is "one hundred twenty million, one hundred forty-three thousand, twenty-nine".
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