Base | Representation |
---|---|
bin | 111101000110010… |
… | …000110111100101 |
3 | 2122102211001011211 |
4 | 331012100313211 |
5 | 4044403132013 |
6 | 245414231421 |
7 | 34254541120 |
oct | 7506206745 |
9 | 2572731154 |
10 | 1025052133 |
11 | 486684926 |
12 | 247355571 |
13 | 13449c031 |
14 | 9a1cd3b7 |
15 | 5eece23d |
hex | 3d190de5 |
1025052133 has 4 divisors (see below), whose sum is σ = 1171488160. Its totient is φ = 878616108.
The previous prime is 1025052089. The next prime is 1025052163. The reversal of 1025052133 is 3312505201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1025052133 - 221 = 1022954981 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 (1025052163) 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, 73218003 + ... + 73218016.
It is an arithmetic number, because the mean of its divisors is an integer number (292872040).
Almost surely, 21025052133 is an apocalyptic number.
It is an amenable number.
1025052133 is a deficient number, since it is larger than the sum of its proper divisors (146436027).
1025052133 is an equidigital number, since it uses as much as digits as its factorization.
1025052133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146436026.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 1025052133 is about 32016.4353574848. The cubic root of 1025052133 is about 1008.2819312610.
Adding to 1025052133 its reverse (3312505201), we get a palindrome (4337557334).
The spelling of 1025052133 in words is "one billion, twenty-five million, fifty-two thousand, one hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •