Base | Representation |
---|---|
bin | 10011001100000110… |
… | …00001010000101101 |
3 | 222120222000221021211 |
4 | 21212003001100231 |
5 | 132044303032341 |
6 | 4422131354421 |
7 | 513202400620 |
oct | 114603012055 |
9 | 28528027254 |
10 | 10302002221 |
11 | 4407236825 |
12 | 1bb6152a11 |
13 | c82439704 |
14 | 6da2d7db7 |
15 | 404665181 |
hex | 2660c142d |
10302002221 has 16 divisors (see below), whose sum is σ = 12065202688. Its totient is φ = 8612276400.
The previous prime is 10302002203. The next prime is 10302002231. The reversal of 10302002221 is 12220020301.
It is not a de Polignac number, because 10302002221 - 217 = 10301871149 is a prime.
It is a super-2 number, since 2×103020022212 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10302002201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183226 + ... + 232756.
It is an arithmetic number, because the mean of its divisors is an integer number (754075168).
Almost surely, 210302002221 is an apocalyptic number.
It is an amenable number.
10302002221 is a deficient number, since it is larger than the sum of its proper divisors (1763200467).
10302002221 is an equidigital number, since it uses as much as digits as its factorization.
10302002221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50272.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 10302002221 its reverse (12220020301), we get a palindrome (22522022522).
The spelling of 10302002221 in words is "ten billion, three hundred two million, two thousand, two hundred twenty-one".
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