Base | Representation |
---|---|
bin | 111101001010010… |
… | …110001010111001 |
3 | 2122111211102100021 |
4 | 331022112022321 |
5 | 4100141404200 |
6 | 245453210441 |
7 | 34266616366 |
oct | 7512261271 |
9 | 2574742307 |
10 | 1026122425 |
11 | 487245a69 |
12 | 247790a21 |
13 | 134785243 |
14 | 9a3cb46d |
15 | 6014141a |
hex | 3d2962b9 |
1026122425 has 12 divisors (see below), whose sum is σ = 1273458796. Its totient is φ = 820209600.
The previous prime is 1026122423. The next prime is 1026122429. The reversal of 1026122425 is 5242216201.
It can be written as a sum of positive squares in 6 ways, for example, as 1610361 + 1024512064 = 1269^2 + 32008^2 .
It is not a de Polignac number, because 1026122425 - 21 = 1026122423 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1026122425.
It is not an unprimeable number, because it can be changed into a prime (1026122423) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14335 + ... + 47515.
Almost surely, 21026122425 is an apocalyptic number.
It is an amenable number.
1026122425 is a deficient number, since it is larger than the sum of its proper divisors (247336371).
1026122425 is a wasteful number, since it uses less digits than its factorization.
1026122425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34428 (or 34423 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 1026122425 is about 32033.1457243899. The cubic root of 1026122425 is about 1008.6327364129.
Adding to 1026122425 its reverse (5242216201), we get a palindrome (6268338626).
The spelling of 1026122425 in words is "one billion, twenty-six million, one hundred twenty-two thousand, four hundred twenty-five".
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