Base | Representation |
---|---|
bin | 100101011010110… |
… | …0000110101111101 |
3 | 10020111112011000210 |
4 | 1022311200311331 |
5 | 10032404322031 |
6 | 324330343033 |
7 | 43053634500 |
oct | 11265406575 |
9 | 3214464023 |
10 | 1255542141 |
11 | 5947a2437 |
12 | 2b058aa79 |
13 | 170170359 |
14 | bca6b137 |
15 | 7535c746 |
hex | 4ad60d7d |
1255542141 has 24 divisors (see below), whose sum is σ = 1949792160. Its totient is φ = 716560992.
The previous prime is 1255542133. The next prime is 1255542179. The reversal of 1255542141 is 1412455521.
It is not a de Polignac number, because 1255542141 - 23 = 1255542133 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1255542099 and 1255542108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1255542241) 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 23 ways as a sum of consecutive naturals, for example, 124050 + ... + 133788.
It is an arithmetic number, because the mean of its divisors is an integer number (81241340).
Almost surely, 21255542141 is an apocalyptic number.
It is an amenable number.
1255542141 is a deficient number, since it is larger than the sum of its proper divisors (694250019).
1255542141 is an equidigital number, since it uses as much as digits as its factorization.
1255542141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10633 (or 10626 counting only the distinct ones).
The product of its digits is 8000, while the sum is 30.
The square root of 1255542141 is about 35433.6300849913. The cubic root of 1255542141 is about 1078.8070220455.
Adding to 1255542141 its reverse (1412455521), we get a palindrome (2667997662).
The spelling of 1255542141 in words is "one billion, two hundred fifty-five million, five hundred forty-two thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •