Base | Representation |
---|---|
bin | 1111011001010001… |
… | …10000111010110101 |
3 | 210100000012101100221 |
4 | 13230220300322311 |
5 | 113411324421110 |
6 | 3444045134341 |
7 | 411546663445 |
oct | 75450607265 |
9 | 23300171327 |
10 | 8265076405 |
11 | 3561469263 |
12 | 1727b5a3b1 |
13 | a19433b71 |
14 | 58598a125 |
15 | 33590b7da |
hex | 1eca30eb5 |
8265076405 has 16 divisors (see below), whose sum is σ = 10503687744. Its totient is φ = 6221825280.
The previous prime is 8265076349. The next prime is 8265076409. The reversal of 8265076405 is 5046705628.
It is not a de Polignac number, because 8265076405 - 221 = 8262979253 is a prime.
It is a super-2 number, since 2×82650764052 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8265076409) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670750 + ... + 682960.
It is an arithmetic number, because the mean of its divisors is an integer number (656480484).
Almost surely, 28265076405 is an apocalyptic number.
8265076405 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
8265076405 is a deficient number, since it is larger than the sum of its proper divisors (2238611339).
8265076405 is a wasteful number, since it uses less digits than its factorization.
8265076405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20196.
The product of its (nonzero) digits is 403200, while the sum is 43.
The square root of 8265076405 is about 90912.4656194078. The cubic root of 8265076405 is about 2021.8501172832.
The spelling of 8265076405 in words is "eight billion, two hundred sixty-five million, seventy-six thousand, four hundred five".
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