Base | Representation |
---|---|
bin | 10001110011001110001… |
… | …100001011001010100101 |
3 | 11022221101000001212222222 |
4 | 101303032030023022211 |
5 | 130020133340310041 |
6 | 2333535532202125 |
7 | 154242531346535 |
oct | 21631614131245 |
9 | 4287330055888 |
10 | 1223230010021 |
11 | 4318504a6488 |
12 | 1790a1309345 |
13 | 8b47220a876 |
14 | 432c17ab4c5 |
15 | 21c442d174b |
hex | 11cce30b2a5 |
1223230010021 has 8 divisors (see below), whose sum is σ = 1223656646784. Its totient is φ = 1222803459360.
The previous prime is 1223230010003. The next prime is 1223230010039. The reversal of 1223230010021 is 1200100323221.
It is an interprime number because it is at equal distance from previous prime (1223230010003) and next prime (1223230010039).
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 1223230010021 - 26 = 1223230009957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223230010071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40346150 + ... + 40376456.
It is an arithmetic number, because the mean of its divisors is an integer number (152957080848).
Almost surely, 21223230010021 is an apocalyptic number.
It is an amenable number.
1223230010021 is a deficient number, since it is larger than the sum of its proper divisors (426636763).
1223230010021 is an equidigital number, since it uses as much as digits as its factorization.
1223230010021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43051.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 1223230010021 its reverse (1200100323221), we get a palindrome (2423330333242).
The spelling of 1223230010021 in words is "one trillion, two hundred twenty-three billion, two hundred thirty million, ten thousand, twenty-one".
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