Base | Representation |
---|---|
bin | 1111010110001000… |
… | …00001110100110101 |
3 | 210021011111202100221 |
4 | 13223010001310311 |
5 | 113333044402414 |
6 | 3441303134341 |
7 | 411106350316 |
oct | 75304016465 |
9 | 23234452327 |
10 | 8238669109 |
11 | 3548572050 |
12 | 171b1443b1 |
13 | a13b19248 |
14 | 58227460d |
15 | 333442224 |
hex | 1eb101d35 |
8238669109 has 32 divisors (see below), whose sum is σ = 9313476480. Its totient is φ = 7223040000.
The previous prime is 8238669107. The next prime is 8238669119. The reversal of 8238669109 is 9019668328.
It is a happy number.
It is not a de Polignac number, because 8238669109 - 21 = 8238669107 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8238669107) 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, 24890074 + ... + 24890404.
It is an arithmetic number, because the mean of its divisors is an integer number (291046140).
Almost surely, 28238669109 is an apocalyptic number.
It is an amenable number.
8238669109 is a deficient number, since it is larger than the sum of its proper divisors (1074807371).
8238669109 is a wasteful number, since it uses less digits than its factorization.
8238669109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 853.
The product of its (nonzero) digits is 1119744, while the sum is 52.
The square root of 8238669109 is about 90767.1146891869. The cubic root of 8238669109 is about 2019.6945187985.
The spelling of 8238669109 in words is "eight billion, two hundred thirty-eight million, six hundred sixty-nine thousand, one hundred nine".
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