Base | Representation |
---|---|
bin | 1001001111101011111111… |
… | …01110111001101001001011 |
3 | 2122222112212012200211121222 |
4 | 10213311333232321221023 |
5 | 10131042244120310011 |
6 | 111123324155352255 |
7 | 4165544612021246 |
oct | 447657756715113 |
9 | 78875765624558 |
10 | 20330223213131 |
11 | 6528aa9aa5727 |
12 | 234417275268b |
13 | b461937cb7c0 |
14 | 503db931025d |
15 | 253c80a60ddb |
hex | 127d7fbb9a4b |
20330223213131 has 8 divisors (see below), whose sum is σ = 22846003343520. Its totient is φ = 17950431197952.
The previous prime is 20330223213109. The next prime is 20330223213143. The reversal of 20330223213131 is 13131232203302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20330223213131 - 26 = 20330223213067 is a prime.
It is a super-2 number, since 2×203302232131312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20330223213131.
It is not an unprimeable number, because it can be changed into a prime (20330223213331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33997028486 + ... + 33997029083.
It is an arithmetic number, because the mean of its divisors is an integer number (2855750417940).
Almost surely, 220330223213131 is an apocalyptic number.
20330223213131 is a deficient number, since it is larger than the sum of its proper divisors (2515780130389).
20330223213131 is a wasteful number, since it uses less digits than its factorization.
20330223213131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67994057605.
The product of its (nonzero) digits is 3888, while the sum is 26.
Adding to 20330223213131 its reverse (13131232203302), we get a palindrome (33461455416433).
The spelling of 20330223213131 in words is "twenty trillion, three hundred thirty billion, two hundred twenty-three million, two hundred thirteen thousand, one hundred thirty-one".
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