Base | Representation |
---|---|
bin | 111111101110110… |
… | …0110000111001001 |
3 | 12112000220021002210 |
4 | 1333131212013021 |
5 | 13334421332323 |
6 | 552110415333 |
7 | 103664436000 |
oct | 17735460711 |
9 | 5460807083 |
10 | 2138464713 |
11 | 9a8120210 |
12 | 4b8201549 |
13 | 281067948 |
14 | 16401dc37 |
15 | c7b14293 |
hex | 7f7661c9 |
2138464713 has 32 divisors (see below), whose sum is σ = 3627417600. Its totient is φ = 1110884880.
The previous prime is 2138464711. The next prime is 2138464729. The reversal of 2138464713 is 3174648312.
It is not a de Polignac number, because 2138464713 - 21 = 2138464711 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2138464711) 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 31 ways as a sum of consecutive naturals, for example, 83145 + ... + 105782.
It is an arithmetic number, because the mean of its divisors is an integer number (113356800).
Almost surely, 22138464713 is an apocalyptic number.
It is an amenable number.
2138464713 is a deficient number, since it is larger than the sum of its proper divisors (1488952887).
2138464713 is a wasteful number, since it uses less digits than its factorization.
2138464713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188962 (or 188948 counting only the distinct ones).
The product of its digits is 96768, while the sum is 39.
The square root of 2138464713 is about 46243.5369862644. The cubic root of 2138464713 is about 1288.3504973185.
The spelling of 2138464713 in words is "two billion, one hundred thirty-eight million, four hundred sixty-four thousand, seven hundred thirteen".
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