Base | Representation |
---|---|
bin | 1111100111000000… |
… | …10000101110101001 |
3 | 210122000222201211211 |
4 | 13303200100232221 |
5 | 114130323203123 |
6 | 3503322353121 |
7 | 414446162164 |
oct | 76340205651 |
9 | 23560881754 |
10 | 8380287913 |
11 | 36104aa388 |
12 | 175a65b7a1 |
13 | a3727235a |
14 | 596dbaadb |
15 | 340ab840d |
hex | 1f3810ba9 |
8380287913 has 4 divisors (see below), whose sum is σ = 8446274560. Its totient is φ = 8314301268.
The previous prime is 8380287911. The next prime is 8380287941. The reversal of 8380287913 is 3197820838.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 8380287913 - 21 = 8380287911 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8380287911) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32993133 + ... + 32993386.
It is an arithmetic number, because the mean of its divisors is an integer number (2111568640).
Almost surely, 28380287913 is an apocalyptic number.
It is an amenable number.
8380287913 is a deficient number, since it is larger than the sum of its proper divisors (65986647).
8380287913 is a wasteful number, since it uses less digits than its factorization.
8380287913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65986646.
The product of its (nonzero) digits is 580608, while the sum is 49.
The square root of 8380287913 is about 91543.9124846650. The cubic root of 8380287913 is about 2031.2013655347.
The spelling of 8380287913 in words is "eight billion, three hundred eighty million, two hundred eighty-seven thousand, nine hundred thirteen".
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