Base | Representation |
---|---|
bin | 10010101010100110… |
… | …00101001101101101 |
3 | 221212101021112202211 |
4 | 21111103011031231 |
5 | 131010334000140 |
6 | 4334212450421 |
7 | 503221044400 |
oct | 112523051555 |
9 | 27771245684 |
10 | 10021000045 |
11 | 4282658721 |
12 | 1b38019a11 |
13 | c39160b34 |
14 | 6b0c6bd37 |
15 | 3d9b5a2ea |
hex | 2554c536d |
10021000045 has 24 divisors (see below), whose sum is σ = 14724741600. Its totient is φ = 6509879712.
The previous prime is 10021000039. The next prime is 10021000057. The reversal of 10021000045 is 54000012001.
10021000045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10021000045 - 227 = 9886782317 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10020999989 and 10021000034.
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 23 ways as a sum of consecutive naturals, for example, 1071715 + ... + 1081024.
It is an arithmetic number, because the mean of its divisors is an integer number (613530900).
Almost surely, 210021000045 is an apocalyptic number.
It is an amenable number.
10021000045 is a deficient number, since it is larger than the sum of its proper divisors (4703741555).
10021000045 is a wasteful number, since it uses less digits than its factorization.
10021000045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2152777 (or 2152770 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 13.
Adding to 10021000045 its reverse (54000012001), we get a palindrome (64021012046).
The spelling of 10021000045 in words is "ten billion, twenty-one million, forty-five", and thus it is an aban number and an uban number.
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