Base | Representation |
---|---|
bin | 101001110000100… |
… | …1110111110100110 |
3 | 10121122122101220012 |
4 | 1103201032332212 |
5 | 10332203033110 |
6 | 351013010222 |
7 | 46503116336 |
oct | 12341167646 |
9 | 3548571805 |
10 | 1401221030 |
11 | 659a53110 |
12 | 331323972 |
13 | 1943b8491 |
14 | d414d0c6 |
15 | 83036905 |
hex | 5384efa6 |
1401221030 has 16 divisors (see below), whose sum is σ = 2751488784. Its totient is φ = 509534880.
The previous prime is 1401221027. The next prime is 1401221069. The reversal of 1401221030 is 301221041.
It is a junction number, because it is equal to n+sod(n) for n = 1401220996 and 1401221014.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6369077 + ... + 6369296.
It is an arithmetic number, because the mean of its divisors is an integer number (171968049).
Almost surely, 21401221030 is an apocalyptic number.
1401221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1401221030 is a deficient number, since it is larger than the sum of its proper divisors (1350267754).
1401221030 is a wasteful number, since it uses less digits than its factorization.
1401221030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12738391.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 1401221030 is about 37432.8870112900. The cubic root of 1401221030 is about 1119.0140744241.
Adding to 1401221030 its reverse (301221041), we get a palindrome (1702442071).
The spelling of 1401221030 in words is "one billion, four hundred one million, two hundred twenty-one thousand, thirty".
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