Base | Representation |
---|---|
bin | 111101000110111… |
… | …101010011001001 |
3 | 2122110011021211010 |
4 | 331012331103021 |
5 | 4044424442441 |
6 | 245422154133 |
7 | 34256226522 |
oct | 7506752311 |
9 | 2573137733 |
10 | 1025234121 |
11 | 48679962a |
12 | 247422949 |
13 | 134533b12 |
14 | 9a239849 |
15 | 60018116 |
hex | 3d1bd4c9 |
1025234121 has 8 divisors (see below), whose sum is σ = 1367314144. Its totient is φ = 683321760.
The previous prime is 1025234099. The next prime is 1025234123. The reversal of 1025234121 is 1214325201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1025234121 - 26 = 1025234057 is a prime.
It is a super-2 number, since 2×10252341212 = 2102210005725285282, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1025234123) 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 7 ways as a sum of consecutive naturals, for example, 26875 + ... + 52656.
It is an arithmetic number, because the mean of its divisors is an integer number (170914268).
Almost surely, 21025234121 is an apocalyptic number.
It is an amenable number.
1025234121 is a deficient number, since it is larger than the sum of its proper divisors (342080023).
1025234121 is an equidigital number, since it uses as much as digits as its factorization.
1025234121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83831.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 1025234121 is about 32019.2773341311. The cubic root of 1025234121 is about 1008.3415979348.
Adding to 1025234121 its reverse (1214325201), we get a palindrome (2239559322).
The spelling of 1025234121 in words is "one billion, twenty-five million, two hundred thirty-four thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •