Base | Representation |
---|---|
bin | 10110011001000011… |
… | …01000001100000111 |
3 | 1011000210012102020021 |
4 | 23030201220030013 |
5 | 144104423131043 |
6 | 5304510120011 |
7 | 603620244523 |
oct | 131441501407 |
9 | 34023172207 |
10 | 12021302023 |
11 | 5109791155 |
12 | 23b5ab0007 |
13 | 11976b2783 |
14 | 8207a4d83 |
15 | 4a557c3ed |
hex | 2cc868307 |
12021302023 has 8 divisors (see below), whose sum is σ = 12227469696. Its totient is φ = 11816158200.
The previous prime is 12021301991. The next prime is 12021302063. The reversal of 12021302023 is 32020312021.
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 12021302023 - 25 = 12021301991 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12021301988 and 12021302006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12021302063) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232261 + ... + 279262.
It is an arithmetic number, because the mean of its divisors is an integer number (1528433712).
Almost surely, 212021302023 is an apocalyptic number.
12021302023 is a deficient number, since it is larger than the sum of its proper divisors (206167673).
12021302023 is an equidigital number, since it uses as much as digits as its factorization.
12021302023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511925.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 12021302023 its reverse (32020312021), we get a palindrome (44041614044).
The spelling of 12021302023 in words is "twelve billion, twenty-one million, three hundred two thousand, twenty-three".
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