Base | Representation |
---|---|
bin | 111101000110100… |
… | …000001001000001 |
3 | 2122102221012222201 |
4 | 331012200021001 |
5 | 4044412132224 |
6 | 245415433201 |
7 | 34255221364 |
oct | 7506401101 |
9 | 2572835881 |
10 | 1025114689 |
11 | 486717925 |
12 | 247385801 |
13 | 1344c1651 |
14 | 9a2080db |
15 | 5eee2a44 |
hex | 3d1a0241 |
1025114689 has 4 divisors (see below), whose sum is σ = 1031903680. Its totient is φ = 1018325700.
The previous prime is 1025114659. The next prime is 1025114719. The reversal of 1025114689 is 9864115201.
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 an interprime number because it is at equal distance from previous prime (1025114659) and next prime (1025114719).
It is a cyclic number.
It is not a de Polignac number, because 1025114689 - 27 = 1025114561 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1025114609) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3394269 + ... + 3394570.
It is an arithmetic number, because the mean of its divisors is an integer number (257975920).
Almost surely, 21025114689 is an apocalyptic number.
It is an amenable number.
1025114689 is a deficient number, since it is larger than the sum of its proper divisors (6788991).
1025114689 is an equidigital number, since it uses as much as digits as its factorization.
1025114689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6788990.
The product of its (nonzero) digits is 17280, while the sum is 37.
The square root of 1025114689 is about 32017.4122783213. The cubic root of 1025114689 is about 1008.3024416979.
The spelling of 1025114689 in words is "one billion, twenty-five million, one hundred fourteen thousand, six hundred eighty-nine".
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