Base | Representation |
---|---|
bin | 11011100011101100101… |
… | …001000011011001100101 |
3 | 20201001010002122000211012 |
4 | 123203230221003121211 |
5 | 222011402440420140 |
6 | 4005551314552005 |
7 | 253551014443262 |
oct | 33435451033145 |
9 | 6631102560735 |
10 | 1893755795045 |
11 | 67015685a124 |
12 | 267032b98605 |
13 | 1097711c50ca |
14 | 67930412269 |
15 | 343da9bd265 |
hex | 1b8eca43665 |
1893755795045 has 8 divisors (see below), whose sum is σ = 2272514482296. Its totient is φ = 1514999617216.
The previous prime is 1893755795023. The next prime is 1893755795059. The reversal of 1893755795045 is 5405975573981.
It is a Cunningham number, because it is equal to 13761382+1.
It can be written as a sum of positive squares in 4 ways, for example, as 97772534596 + 1795983260449 = 312686^2 + 1340143^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1893755795045 - 26 = 1893755794981 is a prime.
It is a super-2 number, since 2×18937557950452 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2153519 + ... + 2902611.
It is an arithmetic number, because the mean of its divisors is an integer number (284064310287).
Almost surely, 21893755795045 is an apocalyptic number.
It is an amenable number.
1893755795045 is a deficient number, since it is larger than the sum of its proper divisors (378758687251).
1893755795045 is an equidigital number, since it uses as much as digits as its factorization.
1893755795045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1254711.
The product of its (nonzero) digits is 238140000, while the sum is 68.
The spelling of 1893755795045 in words is "one trillion, eight hundred ninety-three billion, seven hundred fifty-five million, seven hundred ninety-five thousand, forty-five".
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