Base | Representation |
---|---|
bin | 111111011101011… |
… | …1111011000110101 |
3 | 12111101211101100000 |
4 | 1332322333120311 |
5 | 13330111040310 |
6 | 551144141513 |
7 | 103524354312 |
oct | 17672773065 |
9 | 5441741300 |
10 | 2129393205 |
11 | 9a2a946a5 |
12 | 4b5167899 |
13 | 27c20c8a4 |
14 | 162b3bd09 |
15 | c6e214c0 |
hex | 7eebf635 |
2129393205 has 48 divisors (see below), whose sum is σ = 3844189440. Its totient is φ = 1130770368.
The previous prime is 2129393177. The next prime is 2129393207. The reversal of 2129393205 is 5023939212.
It is not a de Polignac number, because 2129393205 - 25 = 2129393173 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2129393205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2129393207) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 286719 + ... + 294051.
It is an arithmetic number, because the mean of its divisors is an integer number (80087280).
Almost surely, 22129393205 is an apocalyptic number.
It is an amenable number.
2129393205 is a deficient number, since it is larger than the sum of its proper divisors (1714796235).
2129393205 is an equidigital number, since it uses as much as digits as its factorization.
2129393205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7592 (or 7580 counting only the distinct ones).
The product of its (nonzero) digits is 29160, while the sum is 36.
The square root of 2129393205 is about 46145.3486821803. The cubic root of 2129393205 is about 1286.5261593714.
The spelling of 2129393205 in words is "two billion, one hundred twenty-nine million, three hundred ninety-three thousand, two hundred five".
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