Base | Representation |
---|---|
bin | 111000011010110… |
… | …0101011011100000 |
3 | 11212221012012022200 |
4 | 1300311211123200 |
5 | 12334113021021 |
6 | 511503333200 |
7 | 64625020542 |
oct | 16065453340 |
9 | 4787165280 |
10 | 1893095136 |
11 | 89166a439 |
12 | 449bb1200 |
13 | 242286a4a |
14 | 13d5cb692 |
15 | b12e7126 |
hex | 70d656e0 |
1893095136 has 72 divisors (see below), whose sum is σ = 5388921720. Its totient is φ = 630395136.
The previous prime is 1893095111. The next prime is 1893095137. The reversal of 1893095136 is 6315903981.
It is a tau number, because it is divible by the number of its divisors (72).
It is a junction number, because it is equal to n+sod(n) for n = 1893095091 and 1893095100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1893095137) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346635 + ... + 352053.
It is an arithmetic number, because the mean of its divisors is an integer number (74846135).
Almost surely, 21893095136 is an apocalyptic number.
1893095136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1893095136 is an abundant number, since it is smaller than the sum of its proper divisors (3495826584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1893095136 is a wasteful number, since it uses less digits than its factorization.
1893095136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6648 (or 6637 counting only the distinct ones).
The product of its (nonzero) digits is 174960, while the sum is 45.
The square root of 1893095136 is about 43509.7131224742. The cubic root of 1893095136 is about 1237.0601392348.
The spelling of 1893095136 in words is "one billion, eight hundred ninety-three million, ninety-five thousand, one hundred thirty-six".
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