Base | Representation |
---|---|
bin | 111111110010110… |
… | …0100100000111000 |
3 | 12112011211110212200 |
4 | 1333211210200320 |
5 | 13340440232240 |
6 | 552223310200 |
7 | 104021264031 |
oct | 17745444070 |
9 | 5464743780 |
10 | 2140555320 |
11 | 9a9318992 |
12 | 4b8a4b360 |
13 | 28161a3a7 |
14 | 164405a88 |
15 | c7dc8930 |
hex | 7f964838 |
2140555320 has 96 divisors (see below), whose sum is σ = 6970719600. Its totient is φ = 569673216.
The previous prime is 2140555303. The next prime is 2140555321. The reversal of 2140555320 is 235550412.
It is a happy number.
2140555320 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2140555321) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182596 + ... + 193964.
Almost surely, 22140555320 is an apocalyptic number.
2140555320 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 2140555320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3485359800).
2140555320 is an abundant number, since it is smaller than the sum of its proper divisors (4830164280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140555320 is a wasteful number, since it uses less digits than its factorization.
2140555320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11909 (or 11902 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 2140555320 is about 46266.1357798552. The cubic root of 2140555320 is about 1288.7701998757.
The spelling of 2140555320 in words is "two billion, one hundred forty million, five hundred fifty-five thousand, three hundred twenty".
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