Base | Representation |
---|---|
bin | 11101001110101100001… |
… | …101111010100011000101 |
3 | 21010000122111202100222200 |
4 | 131032230031322203011 |
5 | 230402143044243234 |
6 | 4134431145545113 |
7 | 265055643161322 |
oct | 35165415724305 |
9 | 7100574670880 |
10 | 2008639056069 |
11 | 70494a422548 |
12 | 2853551a5199 |
13 | 11754c2c9079 |
14 | 6d30bd89b49 |
15 | 373b165cd99 |
hex | 1d3ac37a8c5 |
2008639056069 has 12 divisors (see below), whose sum is σ = 2901380544192. Its totient is φ = 1339086695400.
The previous prime is 2008639056031. The next prime is 2008639056103. The reversal of 2008639056069 is 9606509368002.
2008639056069 is a `hidden beast` number, since 20 + 0 + 8 + 6 + 3 + 9 + 0 + 5 + 606 + 9 = 666.
It is not a de Polignac number, because 2008639056069 - 212 = 2008639051973 is a prime.
It is a super-2 number, since 2×20086390560692 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2008639076069) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2679604 + ... + 3346274.
It is an arithmetic number, because the mean of its divisors is an integer number (241781712016).
Almost surely, 22008639056069 is an apocalyptic number.
It is an amenable number.
2008639056069 is a deficient number, since it is larger than the sum of its proper divisors (892741488123).
2008639056069 is a wasteful number, since it uses less digits than its factorization.
2008639056069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1001448 (or 1001445 counting only the distinct ones).
The product of its (nonzero) digits is 4199040, while the sum is 54.
The spelling of 2008639056069 in words is "two trillion, eight billion, six hundred thirty-nine million, fifty-six thousand, sixty-nine".
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