Base | Representation |
---|---|
bin | 1000000101000111… |
… | …1100000100001111 |
3 | 12121011021202100200 |
4 | 2001101330010033 |
5 | 13420223311333 |
6 | 555120224543 |
7 | 104514612201 |
oct | 20121740417 |
9 | 5534252320 |
10 | 2168963343 |
11 | a13361298 |
12 | 50646b153 |
13 | 287485881 |
14 | 1680bc771 |
15 | ca63ac13 |
hex | 8147c10f |
2168963343 has 24 divisors (see below), whose sum is σ = 3321637488. Its totient is φ = 1359113472.
The previous prime is 2168963311. The next prime is 2168963353. The reversal of 2168963343 is 3433698612.
2168963343 is a `hidden beast` number, since 2 + 1 + 6 + 8 + 9 + 633 + 4 + 3 = 666.
It is not a de Polignac number, because 2168963343 - 25 = 2168963311 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2168963353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111405 + ... + 129417.
It is an arithmetic number, because the mean of its divisors is an integer number (138401562).
Almost surely, 22168963343 is an apocalyptic number.
2168963343 is a deficient number, since it is larger than the sum of its proper divisors (1152674145).
2168963343 is a wasteful number, since it uses less digits than its factorization.
2168963343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18823 (or 18820 counting only the distinct ones).
The product of its digits is 559872, while the sum is 45.
The square root of 2168963343 is about 46572.1305396264. The cubic root of 2168963343 is about 1294.4463961491.
The spelling of 2168963343 in words is "two billion, one hundred sixty-eight million, nine hundred sixty-three thousand, three hundred forty-three".
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