Base | Representation |
---|---|
bin | 111111011110100… |
… | …1100111111001011 |
3 | 12111102220211221010 |
4 | 1332331030333023 |
5 | 13330233120240 |
6 | 551204415003 |
7 | 103532321250 |
oct | 17675147713 |
9 | 5442824833 |
10 | 2129973195 |
11 | 9a3350429 |
12 | 4b53a7463 |
13 | 27c38388c |
14 | 162c4d427 |
15 | c6ed8280 |
hex | 7ef4cfcb |
2129973195 has 32 divisors (see below), whose sum is σ = 3948175872. Its totient is φ = 960360192.
The previous prime is 2129973193. The next prime is 2129973211. The reversal of 2129973195 is 5913799212.
It is not a de Polignac number, because 2129973195 - 21 = 2129973193 is a prime.
It is a super-3 number, since 3×21299731953 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (2129973193) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131277 + ... + 146606.
It is an arithmetic number, because the mean of its divisors is an integer number (123380496).
Almost surely, 22129973195 is an apocalyptic number.
2129973195 is a deficient number, since it is larger than the sum of its proper divisors (1818202677).
2129973195 is a wasteful number, since it uses less digits than its factorization.
2129973195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277971.
The product of its digits is 306180, while the sum is 48.
The square root of 2129973195 is about 46151.6326363434. The cubic root of 2129973195 is about 1286.6429539227.
The spelling of 2129973195 in words is "two billion, one hundred twenty-nine million, nine hundred seventy-three thousand, one hundred ninety-five".
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