Base | Representation |
---|---|
bin | 111110101001011… |
… | …0101000000111111 |
3 | 12102111110010021121 |
4 | 1331102311000333 |
5 | 13301113301433 |
6 | 544331011411 |
7 | 103043310460 |
oct | 17522650077 |
9 | 5374403247 |
10 | 2102087743 |
11 | 9896346a8 |
12 | 4a7b99b67 |
13 | 27666c202 |
14 | 15d270d67 |
15 | c482ac2d |
hex | 7d4b503f |
2102087743 has 16 divisors (see below), whose sum is σ = 2532759040. Its totient is φ = 1704304800.
The previous prime is 2102087731. The next prime is 2102087759. The reversal of 2102087743 is 3477802012.
It is a cyclic number.
It is not a de Polignac number, because 2102087743 - 221 = 2099990591 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2102087699 and 2102087708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102087843) 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, 75958 + ... + 99868.
It is an arithmetic number, because the mean of its divisors is an integer number (158297440).
Almost surely, 22102087743 is an apocalyptic number.
2102087743 is a deficient number, since it is larger than the sum of its proper divisors (430671297).
2102087743 is a wasteful number, since it uses less digits than its factorization.
2102087743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24598.
The product of its (nonzero) digits is 18816, while the sum is 34.
The square root of 2102087743 is about 45848.5304344643. The cubic root of 2102087743 is about 1281.0033927184.
Adding to 2102087743 its reverse (3477802012), we get a palindrome (5579889755).
The spelling of 2102087743 in words is "two billion, one hundred two million, eighty-seven thousand, seven hundred forty-three".
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