Base | Representation |
---|---|
bin | 111111110111111… |
… | …0011111110110100 |
3 | 12112100212212201120 |
4 | 1333233303332310 |
5 | 13342132140431 |
6 | 552401023540 |
7 | 104053145313 |
oct | 17757637664 |
9 | 5470785646 |
10 | 2143240116 |
11 | 9aa892026 |
12 | 4b9924bb0 |
13 | 28204a424 |
14 | 16490427a |
15 | c8259196 |
hex | 7fbf3fb4 |
2143240116 has 24 divisors (see below), whose sum is σ = 5295064320. Its totient is φ = 672388992.
The previous prime is 2143240111. The next prime is 2143240117. The reversal of 2143240116 is 6110423412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143240111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5252836 + ... + 5253243.
It is an arithmetic number, because the mean of its divisors is an integer number (220627680).
Almost surely, 22143240116 is an apocalyptic number.
It is an amenable number.
2143240116 is an abundant number, since it is smaller than the sum of its proper divisors (3151824204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143240116 is a wasteful number, since it uses less digits than its factorization.
2143240116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10506103 (or 10506101 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 2143240116 is about 46295.1413865429. The cubic root of 2143240116 is about 1289.3087890051.
Adding to 2143240116 its reverse (6110423412), we get a palindrome (8253663528).
The spelling of 2143240116 in words is "two billion, one hundred forty-three million, two hundred forty thousand, one hundred sixteen".
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