Base | Representation |
---|---|
bin | 11111110011101101110… |
… | …111011001000111100001 |
3 | 21201222000112111121222011 |
4 | 133303231313121013201 |
5 | 241303042012413421 |
6 | 4352054110512521 |
7 | 313631002232362 |
oct | 37635567310741 |
9 | 7658015447864 |
10 | 2185834107361 |
11 | 7730094071a3 |
12 | 2b3767505741 |
13 | 12b17aa9ca48 |
14 | 77b1b433b69 |
15 | 3bcd29a04e1 |
hex | 1fceddd91e1 |
2185834107361 has 8 divisors (see below), whose sum is σ = 2268340854120. Its totient is φ = 2103802904448.
The previous prime is 2185834107341. The next prime is 2185834107383. The reversal of 2185834107361 is 1637014385812.
It can be written as a sum of positive squares in 4 ways, for example, as 1468345761 + 2184365761600 = 38319^2 + 1477960^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2185834107361 - 217 = 2185833976289 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2185834107311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118876596 + ... + 118894981.
It is an arithmetic number, because the mean of its divisors is an integer number (283542606765).
Almost surely, 22185834107361 is an apocalyptic number.
It is an amenable number.
2185834107361 is a deficient number, since it is larger than the sum of its proper divisors (82506746759).
2185834107361 is a wasteful number, since it uses less digits than its factorization.
2185834107361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237771923.
The product of its (nonzero) digits is 967680, while the sum is 49.
The spelling of 2185834107361 in words is "two trillion, one hundred eighty-five billion, eight hundred thirty-four million, one hundred seven thousand, three hundred sixty-one".
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