Base | Representation |
---|---|
bin | 111101000111110… |
… | …100010111010100 |
3 | 2122110120202012201 |
4 | 331013310113110 |
5 | 4100004202133 |
6 | 245431054244 |
7 | 34261156222 |
oct | 7507642724 |
9 | 2573522181 |
10 | 1025459668 |
11 | 486933032 |
12 | 247511384 |
13 | 1345b268c |
14 | 9a297b12 |
15 | 6005ed7d |
hex | 3d1f45d4 |
1025459668 has 12 divisors (see below), whose sum is σ = 1795137120. Its totient is φ = 512563352.
The previous prime is 1025459641. The next prime is 1025459671. The reversal of 1025459668 is 8669545201.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27208 + ... + 52831.
It is an arithmetic number, because the mean of its divisors is an integer number (149594760).
Almost surely, 21025459668 is an apocalyptic number.
It is an amenable number.
1025459668 is a deficient number, since it is larger than the sum of its proper divisors (769677452).
1025459668 is a wasteful number, since it uses less digits than its factorization.
1025459668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83246 (or 83244 counting only the distinct ones).
The product of its (nonzero) digits is 518400, while the sum is 46.
The square root of 1025459668 is about 32022.7991905767. The cubic root of 1025459668 is about 1008.4155360861.
The spelling of 1025459668 in words is "one billion, twenty-five million, four hundred fifty-nine thousand, six hundred sixty-eight".
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