Base | Representation |
---|---|
bin | 11101001110111001011… |
… | …110100011011010010000 |
3 | 21010001020000100210021000 |
4 | 131032321132203122100 |
5 | 230403122022142202 |
6 | 4134505214102000 |
7 | 265064314123614 |
oct | 35167136433220 |
9 | 7101200323230 |
10 | 2008861521552 |
11 | 704a53a5a116 |
12 | 2853b77aa900 |
13 | 11758641aa52 |
14 | 6d32d739344 |
15 | 373c5e5391c |
hex | 1d3b97a3690 |
2008861521552 has 80 divisors (see below), whose sum is σ = 5771434265280. Its totient is φ = 669009938688.
The previous prime is 2008861521503. The next prime is 2008861521599. The reversal of 2008861521552 is 2551251688002.
2008861521552 is a `hidden beast` number, since 2 + 0 + 0 + 8 + 8 + 615 + 21 + 5 + 5 + 2 = 666.
It is a super-2 number, since 2×20088615215522 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2008861521498 and 2008861521507.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645578 + ... + 2593385.
It is an arithmetic number, because the mean of its divisors is an integer number (72142928316).
Almost surely, 22008861521552 is an apocalyptic number.
It is an amenable number.
2008861521552 is an abundant number, since it is smaller than the sum of its proper divisors (3762572743728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2008861521552 is a wasteful number, since it uses less digits than its factorization.
2008861521552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4240077 (or 4240065 counting only the distinct ones).
The product of its (nonzero) digits is 384000, while the sum is 45.
The spelling of 2008861521552 in words is "two trillion, eight billion, eight hundred sixty-one million, five hundred twenty-one thousand, five hundred fifty-two".
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