Base | Representation |
---|---|
bin | 101000110111010100100… |
… | …111000101111101110010 |
3 | 100221110101221100021201000 |
4 | 220313110213011331302 |
5 | 332002123222142010 |
6 | 5550021013222430 |
7 | 406612222534014 |
oct | 50672447057562 |
9 | 10843357307630 |
10 | 2808180662130 |
11 | 992a40858078 |
12 | 3942b2031a16 |
13 | 174a6c2ca20c |
14 | 99cb94aa1b4 |
15 | 4d0a95a47c0 |
hex | 28dd49c5f72 |
2808180662130 has 64 divisors (see below), whose sum is σ = 7499044310400. Its totient is φ = 747791922240.
The previous prime is 2808180662059. The next prime is 2808180662153. The reversal of 2808180662130 is 312660818082.
2808180662130 is a `hidden beast` number, since 2 + 8 + 0 + 8 + 18 + 0 + 6 + 621 + 3 + 0 = 666.
It is a super-2 number, since 2×28081806621302 (a number of 26 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7143316 + ... + 7526175.
It is an arithmetic number, because the mean of its divisors is an integer number (117172567350).
Almost surely, 22808180662130 is an apocalyptic number.
2808180662130 is an abundant number, since it is smaller than the sum of its proper divisors (4690863648270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2808180662130 is a wasteful number, since it uses less digits than its factorization.
2808180662130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14670216 (or 14670210 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 45.
The spelling of 2808180662130 in words is "two trillion, eight hundred eight billion, one hundred eighty million, six hundred sixty-two thousand, one hundred thirty".
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