Base | Representation |
---|---|
bin | 1111011100100… |
… | …10010011111101 |
3 | 100000211001022021 |
4 | 13232102103331 |
5 | 231132333031 |
6 | 20505120141 |
7 | 3132235114 |
oct | 756222375 |
9 | 300731267 |
10 | 129574141 |
11 | 67160a74 |
12 | 37489051 |
13 | 20ac99b8 |
14 | 132ccc7b |
15 | b597511 |
hex | 7b924fd |
129574141 has 16 divisors (see below), whose sum is σ = 136714240. Its totient is φ = 122653440.
The previous prime is 129574139. The next prime is 129574169. The reversal of 129574141 is 141475921.
It is a cyclic number.
It is not a de Polignac number, because 129574141 - 21 = 129574139 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 129574097 and 129574106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129574541) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 384325 + ... + 384661.
It is an arithmetic number, because the mean of its divisors is an integer number (8544640).
Almost surely, 2129574141 is an apocalyptic number.
It is an amenable number.
129574141 is a deficient number, since it is larger than the sum of its proper divisors (7140099).
129574141 is a wasteful number, since it uses less digits than its factorization.
129574141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 604.
The product of its digits is 10080, while the sum is 34.
The square root of 129574141 is about 11383.0637791414. The cubic root of 129574141 is about 506.0259390328.
The spelling of 129574141 in words is "one hundred twenty-nine million, five hundred seventy-four thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •