Base | Representation |
---|---|
bin | 111101000110100… |
… | …100111010000011 |
3 | 2122102222012202202 |
4 | 331012210322003 |
5 | 4044413243321 |
6 | 245420103415 |
7 | 34255332323 |
oct | 7506447203 |
9 | 2572865682 |
10 | 1025134211 |
11 | 486730562 |
12 | 247394b6b |
13 | 1344ca4ba |
14 | 9a211283 |
15 | 5eee870b |
hex | 3d1a4e83 |
1025134211 has 4 divisors (see below), whose sum is σ = 1025234232. Its totient is φ = 1025034192.
The previous prime is 1025134183. The next prime is 1025134213. The reversal of 1025134211 is 1124315201.
1025134211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1025134211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1025134213) 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, 32621 + ... + 55806.
It is an arithmetic number, because the mean of its divisors is an integer number (256308558).
Almost surely, 21025134211 is an apocalyptic number.
1025134211 is a deficient number, since it is larger than the sum of its proper divisors (100021).
1025134211 is an equidigital number, since it uses as much as digits as its factorization.
1025134211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100020.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 1025134211 is about 32017.7171422324. The cubic root of 1025134211 is about 1008.3088422680.
Adding to 1025134211 its reverse (1124315201), we get a palindrome (2149449412).
The spelling of 1025134211 in words is "one billion, twenty-five million, one hundred thirty-four thousand, two hundred eleven".
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