Base | Representation |
---|---|
bin | 111111111000000… |
… | …0110000100100111 |
3 | 12112101000122100222 |
4 | 1333300012010213 |
5 | 13342142023330 |
6 | 552402354555 |
7 | 104053604330 |
oct | 17760060447 |
9 | 5471018328 |
10 | 2143314215 |
11 | 9aa932769 |
12 | 4b995ba5b |
13 | 282075083 |
14 | 164923287 |
15 | c82710e5 |
hex | 7fc06127 |
2143314215 has 32 divisors (see below), whose sum is σ = 2972651136. Its totient is φ = 1453178880.
The previous prime is 2143314211. The next prime is 2143314227. The reversal of 2143314215 is 5124133412.
It is a happy number.
It is not a de Polignac number, because 2143314215 - 22 = 2143314211 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143314211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1221779 + ... + 1223531.
It is an arithmetic number, because the mean of its divisors is an integer number (92895348).
Almost surely, 22143314215 is an apocalyptic number.
2143314215 is a deficient number, since it is larger than the sum of its proper divisors (829336921).
2143314215 is a wasteful number, since it uses less digits than its factorization.
2143314215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2139.
The product of its digits is 2880, while the sum is 26.
The square root of 2143314215 is about 46295.9416687899. The cubic root of 2143314215 is about 1289.3236474104.
Adding to 2143314215 its reverse (5124133412), we get a palindrome (7267447627).
The spelling of 2143314215 in words is "two billion, one hundred forty-three million, three hundred fourteen thousand, two hundred fifteen".
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