Base | Representation |
---|---|
bin | 1100011111100110010… |
… | …1111001001010100000 |
3 | 202112000200122022122112 |
4 | 3013321211321022200 |
5 | 12004041024422020 |
6 | 242334334254452 |
7 | 21336000121340 |
oct | 3077145711240 |
9 | 675020568575 |
10 | 214640857760 |
11 | 8303519434a |
12 | 35722957428 |
13 | 17318630a14 |
14 | a562738d20 |
15 | 58b39962c5 |
hex | 31f99792a0 |
214640857760 has 96 divisors (see below), whose sum is σ = 589353045120. Its totient is φ = 72343821312.
The previous prime is 214640857741. The next prime is 214640857763. The reversal of 214640857760 is 67758046412.
214640857760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 214640857699 and 214640857708.
It is not an unprimeable number, because it can be changed into a prime (214640857763) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558019 + ... + 1690178.
It is an arithmetic number, because the mean of its divisors is an integer number (6139094220).
Almost surely, 2214640857760 is an apocalyptic number.
214640857760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
214640857760 is an abundant number, since it is smaller than the sum of its proper divisors (374712187360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214640857760 is a wasteful number, since it uses less digits than its factorization.
214640857760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3248278 (or 3248270 counting only the distinct ones).
The product of its (nonzero) digits is 2257920, while the sum is 50.
The spelling of 214640857760 in words is "two hundred fourteen billion, six hundred forty million, eight hundred fifty-seven thousand, seven hundred sixty".
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