Base | Representation |
---|---|
bin | 100101001100011… |
… | …1100011010011101 |
3 | 10012222102122201020 |
4 | 1022120330122131 |
5 | 10024000143033 |
6 | 323502034353 |
7 | 42633163113 |
oct | 11230743235 |
9 | 3188378636 |
10 | 1248052893 |
11 | 59054767a |
12 | 2a9b789b9 |
13 | 16b74a549 |
14 | bba7bab3 |
15 | 7487d6b3 |
hex | 4a63c69d |
1248052893 has 4 divisors (see below), whose sum is σ = 1664070528. Its totient is φ = 832035260.
The previous prime is 1248052889. The next prime is 1248052907. The reversal of 1248052893 is 3982508421.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1248052893 - 22 = 1248052889 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1248052843) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208008813 + ... + 208008818.
It is an arithmetic number, because the mean of its divisors is an integer number (416017632).
Almost surely, 21248052893 is an apocalyptic number.
It is an amenable number.
1248052893 is a deficient number, since it is larger than the sum of its proper divisors (416017635).
1248052893 is an equidigital number, since it uses as much as digits as its factorization.
1248052893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416017634.
The product of its (nonzero) digits is 138240, while the sum is 42.
The square root of 1248052893 is about 35327.7920764941. The cubic root of 1248052893 is about 1076.6577323663.
The spelling of 1248052893 in words is "one billion, two hundred forty-eight million, fifty-two thousand, eight hundred ninety-three".
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