Base | Representation |
---|---|
bin | 11111111111111111111… |
… | …111011010010100101111 |
3 | 21210020001200220221021121 |
4 | 133333333333122110233 |
5 | 242012044403214411 |
6 | 4402114532441411 |
7 | 314605561644505 |
oct | 37777777322457 |
9 | 7706050827247 |
10 | 2199023101231 |
11 | 778667237530 |
12 | 2b6228479267 |
13 | 12c4a0374228 |
14 | 7860cd18675 |
15 | 3c3057d5571 |
hex | 1fffffda52f |
2199023101231 has 4 divisors (see below), whose sum is σ = 2398934292264. Its totient is φ = 1999111910200.
The previous prime is 2199023101213. The next prime is 2199023101243. The reversal of 2199023101231 is 1321013209912.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2199023101231 - 219 = 2199022576943 is a prime.
It is a super-2 number, since 2×21990231012312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2199023101211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99955595500 + ... + 99955595521.
It is an arithmetic number, because the mean of its divisors is an integer number (599733573066).
Almost surely, 22199023101231 is an apocalyptic number.
2199023101231 is a deficient number, since it is larger than the sum of its proper divisors (199911191033).
2199023101231 is a wasteful number, since it uses less digits than its factorization.
2199023101231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 199911191032.
The product of its (nonzero) digits is 5832, while the sum is 34.
The spelling of 2199023101231 in words is "two trillion, one hundred ninety-nine billion, twenty-three million, one hundred one thousand, two hundred thirty-one".
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