Base | Representation |
---|---|
bin | 111101000110011… |
… | …101100011011101 |
3 | 2122102220200110021 |
4 | 331012131203131 |
5 | 4044411312333 |
6 | 245415312141 |
7 | 34255145446 |
oct | 7506354335 |
9 | 2572820407 |
10 | 1025104093 |
11 | 48670a972 |
12 | 24737b651 |
13 | 1344b9890 |
14 | 9a2042cd |
15 | 5eede82d |
hex | 3d19d8dd |
1025104093 has 16 divisors (see below), whose sum is σ = 1202140800. Its totient is φ = 865529280.
The previous prime is 1025104027. The next prime is 1025104117. The reversal of 1025104093 is 3904015201.
It is a cyclic number.
It is not a de Polignac number, because 1025104093 - 225 = 991549661 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 (1025104193) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64393 + ... + 78718.
It is an arithmetic number, because the mean of its divisors is an integer number (75133800).
Almost surely, 21025104093 is an apocalyptic number.
1025104093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1025104093 is a deficient number, since it is larger than the sum of its proper divisors (177036707).
1025104093 is a wasteful number, since it uses less digits than its factorization.
1025104093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143172.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 1025104093 is about 32017.2468054328. The cubic root of 1025104093 is about 1008.2989676120.
Adding to 1025104093 its reverse (3904015201), we get a palindrome (4929119294).
The spelling of 1025104093 in words is "one billion, twenty-five million, one hundred four thousand, ninety-three".
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