Base | Representation |
---|---|
bin | 111101000110010… |
… | …110100000111111 |
3 | 2122102212012220111 |
4 | 331012112200333 |
5 | 4044404402023 |
6 | 245414530451 |
7 | 34254665422 |
oct | 7506264077 |
9 | 2572765814 |
10 | 1025075263 |
11 | 4866a0243 |
12 | 247366a27 |
13 | 1344a9714 |
14 | 9a1d79b9 |
15 | 5eed600d |
hex | 3d19683f |
1025075263 has 8 divisors (see below), whose sum is σ = 1043030160. Its totient is φ = 1007139840.
The previous prime is 1025075257. The next prime is 1025075273. The reversal of 1025075263 is 3625705201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1025075263 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 (1025075273) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 136831 + ... + 144127.
It is an arithmetic number, because the mean of its divisors is an integer number (130378770).
Almost surely, 21025075263 is an apocalyptic number.
1025075263 is a deficient number, since it is larger than the sum of its proper divisors (17954897).
1025075263 is an equidigital number, since it uses as much as digits as its factorization.
1025075263 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9737.
The product of its (nonzero) digits is 12600, while the sum is 31.
The square root of 1025075263 is about 32016.7965761723. The cubic root of 1025075263 is about 1008.2895150657.
The spelling of 1025075263 in words is "one billion, twenty-five million, seventy-five thousand, two hundred sixty-three".
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