Base | Representation |
---|---|
bin | 101010010110111… |
… | …0101010100011111 |
3 | 10200001102120110122 |
4 | 1110231311110133 |
5 | 10402323113043 |
6 | 353011225155 |
7 | 50135600522 |
oct | 12455652437 |
9 | 3601376418 |
10 | 1421301023 |
11 | 66a31854a |
12 | 337ba81bb |
13 | 1985c912c |
14 | d6a98bb9 |
15 | 84ba1368 |
hex | 54b7551f |
1421301023 has 8 divisors (see below), whose sum is σ = 1497648000. Its totient is φ = 1345108248.
The previous prime is 1421301001. The next prime is 1421301041. The reversal of 1421301023 is 3201031241.
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 1421301023 - 224 = 1404523807 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1421300992 and 1421301010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1421301523) 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, 19373 + ... + 56726.
It is an arithmetic number, because the mean of its divisors is an integer number (187206000).
Almost surely, 21421301023 is an apocalyptic number.
1421301023 is a deficient number, since it is larger than the sum of its proper divisors (76346977).
1421301023 is an equidigital number, since it uses as much as digits as its factorization.
1421301023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77101.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1421301023 is about 37700.1461933505. The cubic root of 1421301023 is about 1124.3340316540.
Adding to 1421301023 its reverse (3201031241), we get a palindrome (4622332264).
The spelling of 1421301023 in words is "one billion, four hundred twenty-one million, three hundred one thousand, twenty-three".
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