Base | Representation |
---|---|
bin | 111111110010000… |
… | …0100010001100000 |
3 | 12112011002110010200 |
4 | 1333210010101200 |
5 | 13340340123440 |
6 | 552211025200 |
7 | 104015032536 |
oct | 17744042140 |
9 | 5464073120 |
10 | 2140161120 |
11 | 9a90797a9 |
12 | 4b889b200 |
13 | 28150cb36 |
14 | 164342156 |
15 | c7d4bc30 |
hex | 7f904460 |
2140161120 has 72 divisors (see below), whose sum is σ = 7303304736. Its totient is φ = 570709248.
The previous prime is 2140161119. The next prime is 2140161143. The reversal of 2140161120 is 211610412.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2140161093 and 2140161102.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 741672 + ... + 744551.
It is an arithmetic number, because the mean of its divisors is an integer number (101434788).
Almost surely, 22140161120 is an apocalyptic number.
2140161120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2140161120 is an abundant number, since it is smaller than the sum of its proper divisors (5163143616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140161120 is a wasteful number, since it uses less digits than its factorization.
2140161120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1486244 (or 1486233 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 2140161120 is about 46261.8754483646. The cubic root of 2140161120 is about 1288.6910826490.
Adding to 2140161120 its reverse (211610412), we get a palindrome (2351771532).
The spelling of 2140161120 in words is "two billion, one hundred forty million, one hundred sixty-one thousand, one hundred twenty".
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