Base | Representation |
---|---|
bin | 111111110001111… |
… | …1111110111111100 |
3 | 12112011001112102021 |
4 | 1333203333313330 |
5 | 13340334034400 |
6 | 552210405524 |
7 | 104014626154 |
oct | 17743776774 |
9 | 5464045367 |
10 | 2140143100 |
11 | 9a9067207 |
12 | 4b88908a4 |
13 | 281504884 |
14 | 164339764 |
15 | c7d4671a |
hex | 7f8ffdfc |
2140143100 has 72 divisors (see below), whose sum is σ = 4856126688. Its totient is φ = 817132800.
The previous prime is 2140143091. The next prime is 2140143113. The reversal of 2140143100 is 13410412.
It is a super-2 number, since 2×21401431002 = 9160424976955220000, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2016570 + ... + 2017630.
It is an arithmetic number, because the mean of its divisors is an integer number (67446204).
Almost surely, 22140143100 is an apocalyptic number.
2140143100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2140143100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2428063344).
2140143100 is an abundant number, since it is smaller than the sum of its proper divisors (2715983588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140143100 is a wasteful number, since it uses less digits than its factorization.
2140143100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1975 (or 1968 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 2140143100 is about 46261.6806871519. The cubic root of 2140143100 is about 1288.6874657439.
Adding to 2140143100 its reverse (13410412), we get a palindrome (2153553512).
The spelling of 2140143100 in words is "two billion, one hundred forty million, one hundred forty-three thousand, one hundred".
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