Base | Representation |
---|---|
bin | 10000000101101111… |
… | …10010101011001011 |
3 | 211022000010200102221 |
4 | 20002313302223023 |
5 | 120142324131012 |
6 | 3545052434511 |
7 | 424026522211 |
oct | 100267625313 |
9 | 24260120387 |
10 | 8638114507 |
11 | 3732a99310 |
12 | 1810a78a37 |
13 | a787c5279 |
14 | 5bd332cb1 |
15 | 358546507 |
hex | 202df2acb |
8638114507 has 4 divisors (see below), whose sum is σ = 9423397656. Its totient is φ = 7852831360.
The previous prime is 8638114487. The next prime is 8638114553. The reversal of 8638114507 is 7054118368.
8638114507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-8638114507 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8638111507) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392641558 + ... + 392641579.
It is an arithmetic number, because the mean of its divisors is an integer number (2355849414).
Almost surely, 28638114507 is an apocalyptic number.
8638114507 is a deficient number, since it is larger than the sum of its proper divisors (785283149).
8638114507 is a wasteful number, since it uses less digits than its factorization.
8638114507 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 785283148.
The product of its (nonzero) digits is 161280, while the sum is 43.
The square root of 8638114507 is about 92941.4574180973. The cubic root of 8638114507 is about 2051.8218590565.
The spelling of 8638114507 in words is "eight billion, six hundred thirty-eight million, one hundred fourteen thousand, five hundred seven".
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