Base | Representation |
---|---|
bin | 110000111001010001… |
… | …0010010111101011000 |
3 | 101001000200112201120012 |
4 | 1201302202102331120 |
5 | 3210020201331110 |
6 | 120123043421052 |
7 | 10405006100324 |
oct | 1416242227530 |
9 | 331020481505 |
10 | 105000808280 |
11 | 40592245405 |
12 | 18424684788 |
13 | 9b948921b4 |
14 | 5121292984 |
15 | 2ae82a0905 |
hex | 1872892f58 |
105000808280 has 32 divisors (see below), whose sum is σ = 236764337040. Its totient is φ = 41909208960.
The previous prime is 105000808279. The next prime is 105000808291. The reversal of 105000808280 is 82808000501.
It is a super-2 number, since 2×1050008082802 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 2828654 + ... + 2865533.
Almost surely, 2105000808280 is an apocalyptic number.
105000808280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
105000808280 is an abundant number, since it is smaller than the sum of its proper divisors (131763528760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105000808280 is a wasteful number, since it uses less digits than its factorization.
105000808280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5694659 (or 5694655 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 32.
Adding to 105000808280 its reverse (82808000501), we get a palindrome (187808808781).
The spelling of 105000808280 in words is "one hundred five billion, eight hundred eight thousand, two hundred eighty".
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