Base | Representation |
---|---|
bin | 11101001110101100001… |
… | …101111010100010011111 |
3 | 21010000122111202100221021 |
4 | 131032230031322202133 |
5 | 230402143044243111 |
6 | 4134431145545011 |
7 | 265055643161236 |
oct | 35165415724237 |
9 | 7100574670837 |
10 | 2008639056031 |
11 | 70494a422513 |
12 | 2853551a5167 |
13 | 11754c2c904a |
14 | 6d30bd89b1d |
15 | 373b165cd71 |
hex | 1d3ac37a89f |
2008639056031 has 2 divisors, whose sum is σ = 2008639056032. Its totient is φ = 2008639056030.
The previous prime is 2008639055981. The next prime is 2008639056103. The reversal of 2008639056031 is 1306509368002.
Together with next prime (2008639056103) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2008639056031 - 215 = 2008639023263 is a prime.
It is a super-3 number, since 3×20086390560313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2008639051031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004319528015 + 1004319528016.
It is an arithmetic number, because the mean of its divisors is an integer number (1004319528016).
Almost surely, 22008639056031 is an apocalyptic number.
2008639056031 is a deficient number, since it is larger than the sum of its proper divisors (1).
2008639056031 is an equidigital number, since it uses as much as digits as its factorization.
2008639056031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 233280, while the sum is 43.
The spelling of 2008639056031 in words is "two trillion, eight billion, six hundred thirty-nine million, fifty-six thousand, thirty-one".
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