Base | Representation |
---|---|
bin | 111111110010100… |
… | …0110111100100111 |
3 | 12112011121022202022 |
4 | 1333211012330213 |
5 | 13340422343330 |
6 | 552220533355 |
7 | 104020250663 |
oct | 17745067447 |
9 | 5464538668 |
10 | 2140434215 |
11 | 9a92459a7 |
12 | 4b89b125b |
13 | 2815a722a |
14 | 1643b38a3 |
15 | c7da2ae5 |
hex | 7f946f27 |
2140434215 has 16 divisors (see below), whose sum is σ = 2807343360. Its totient is φ = 1559631360.
The previous prime is 2140434161. The next prime is 2140434217. The reversal of 2140434215 is 5124340412.
It is not a de Polignac number, because 2140434215 - 214 = 2140417831 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2140434217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403520 + ... + 408789.
It is an arithmetic number, because the mean of its divisors is an integer number (175458960).
Almost surely, 22140434215 is an apocalyptic number.
2140434215 is a deficient number, since it is larger than the sum of its proper divisors (666909145).
2140434215 is a wasteful number, since it uses less digits than its factorization.
2140434215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 812362.
The product of its (nonzero) digits is 3840, while the sum is 26.
The square root of 2140434215 is about 46264.8269747116. The cubic root of 2140434215 is about 1288.7458947407.
Adding to 2140434215 its reverse (5124340412), we get a palindrome (7264774627).
The spelling of 2140434215 in words is "two billion, one hundred forty million, four hundred thirty-four thousand, two hundred fifteen".
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