Base | Representation |
---|---|
bin | 1010100001100100001… |
… | …1110110000010110110 |
3 | 122021200220011011021100 |
4 | 2220121003312002312 |
5 | 10430244110032010 |
6 | 215021301430530 |
7 | 16030421456055 |
oct | 2503103660266 |
9 | 567626134240 |
10 | 180809064630 |
11 | 6a754004437 |
12 | 2b06070b446 |
13 | 1408644c30c |
14 | 8a7344439c |
15 | 4a837712c0 |
hex | 2a190f60b6 |
180809064630 has 24 divisors (see below), whose sum is σ = 470103568272. Its totient is φ = 48215750544.
The previous prime is 180809064613. The next prime is 180809064641. The reversal of 180809064630 is 36460908081.
180809064630 is a `hidden beast` number, since 1 + 8 + 0 + 8 + 0 + 9 + 0 + 6 + 4 + 630 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
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 11 ways as a sum of consecutive naturals, for example, 1004494714 + ... + 1004494893.
It is an arithmetic number, because the mean of its divisors is an integer number (19587648678).
Almost surely, 2180809064630 is an apocalyptic number.
180809064630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
180809064630 is an abundant number, since it is smaller than the sum of its proper divisors (289294503642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180809064630 is a wasteful number, since it uses less digits than its factorization.
180809064630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2008989620 (or 2008989617 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The spelling of 180809064630 in words is "one hundred eighty billion, eight hundred nine million, sixty-four thousand, six hundred thirty".
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