Base | Representation |
---|---|
bin | 11110111001100100100111 |
3 | 120020112022000 |
4 | 132321210213 |
5 | 4033201020 |
6 | 445340343 |
7 | 125564361 |
oct | 36714447 |
9 | 16215260 |
10 | 8100135 |
11 | 463282a |
12 | 28676b3 |
13 | 18a7ba4 |
14 | 110bd31 |
15 | aa0090 |
hex | 7b9927 |
8100135 has 32 divisors (see below), whose sum is σ = 14904000. Its totient is φ = 4169088.
The previous prime is 8100133. The next prime is 8100139. The reversal of 8100135 is 5310018.
It is a happy number.
It is not a de Polignac number, because 8100135 - 21 = 8100133 is a prime.
It is a super-2 number, since 2×81001352 = 131224374036450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8100133) 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, 2881 + ... + 4949.
It is an arithmetic number, because the mean of its divisors is an integer number (465750).
Almost surely, 28100135 is an apocalyptic number.
8100135 is a deficient number, since it is larger than the sum of its proper divisors (6803865).
8100135 is a wasteful number, since it uses less digits than its factorization.
8100135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2112 (or 2106 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 8100135 is about 2846.0736111352. The cubic root of 8100135 is about 200.8310007400.
It can be divided in two parts, 810013 and 5, that added together give a palindrome (810018).
The spelling of 8100135 in words is "eight million, one hundred thousand, one hundred thirty-five".
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