Base | Representation |
---|---|
bin | 11101110101101011101… |
… | …10110010010100011001 |
3 | 10122000100122212200001111 |
4 | 32322311312302110121 |
5 | 113244204313120200 |
6 | 2102554515220321 |
7 | 134033505605341 |
oct | 16726566622431 |
9 | 3560318780044 |
10 | 1025253254425 |
11 | 3658978087a4 |
12 | 14684b2a76a1 |
13 | 758b1113b3a |
14 | 378a02b5d21 |
15 | 1ba087b20ba |
hex | eeb5db2519 |
1025253254425 has 24 divisors (see below), whose sum is σ = 1281785650200. Its totient is φ = 813463411200.
The previous prime is 1025253254387. The next prime is 1025253254447. The reversal of 1025253254425 is 5244523525201.
It can be written as a sum of positive squares in 12 ways, for example, as 356896318464 + 668356935961 = 597408^2 + 817531^2 .
It is not a de Polignac number, because 1025253254425 - 213 = 1025253246233 is a prime.
It is a super-2 number, since 2×10252532544252 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2254029 + ... + 2670421.
It is an arithmetic number, because the mean of its divisors is an integer number (53407735425).
Almost surely, 21025253254425 is an apocalyptic number.
It is an amenable number.
1025253254425 is a deficient number, since it is larger than the sum of its proper divisors (256532395775).
1025253254425 is a wasteful number, since it uses less digits than its factorization.
1025253254425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417213 (or 417208 counting only the distinct ones).
The product of its (nonzero) digits is 480000, while the sum is 40.
Adding to 1025253254425 its reverse (5244523525201), we get a palindrome (6269776779626).
The spelling of 1025253254425 in words is "one trillion, twenty-five billion, two hundred fifty-three million, two hundred fifty-four thousand, four hundred twenty-five".
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