Base | Representation |
---|---|
bin | 11101110010100100010… |
… | …101111000111001010011 |
3 | 21020201002012210002221121 |
4 | 131302210111320321103 |
5 | 232020041334300022 |
6 | 4204241510303111 |
7 | 300621400532302 |
oct | 35624425707123 |
9 | 7221065702847 |
10 | 2047161634387 |
11 | 71a218411831 |
12 | 290906357a97 |
13 | 11b07b2631cc |
14 | 71124250439 |
15 | 383b85aa2c7 |
hex | 1dca4578e53 |
2047161634387 has 16 divisors (see below), whose sum is σ = 2237618995200. Its totient is φ = 1864492398720.
The previous prime is 2047161634379. The next prime is 2047161634423. The reversal of 2047161634387 is 7834361617402.
It is a cyclic number.
It is not a de Polignac number, because 2047161634387 - 23 = 2047161634379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2047161634327) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11547664 + ... + 11723602.
It is an arithmetic number, because the mean of its divisors is an integer number (139851187200).
Almost surely, 22047161634387 is an apocalyptic number.
2047161634387 is a deficient number, since it is larger than the sum of its proper divisors (190457360813).
2047161634387 is a wasteful number, since it uses less digits than its factorization.
2047161634387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198066.
The product of its (nonzero) digits is 4064256, while the sum is 52.
The spelling of 2047161634387 in words is "two trillion, forty-seven billion, one hundred sixty-one million, six hundred thirty-four thousand, three hundred eighty-seven".
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