Base | Representation |
---|---|
bin | 1001101100001101001010… |
… | …00111101001101110110001 |
3 | 2210110020002201101122020101 |
4 | 10312012211013221232301 |
5 | 10243121042332031113 |
6 | 113153420504112401 |
7 | 4326414134552566 |
oct | 466064507515661 |
9 | 83406081348211 |
10 | 21310103002033 |
11 | 687662265618a |
12 | 248205a465701 |
13 | bb76c3520691 |
14 | 5395b34dc86d |
15 | 26e4d0c132dd |
hex | 1361a51e9bb1 |
21310103002033 has 32 divisors (see below), whose sum is σ = 21895981380000. Its totient is φ = 20733186539520.
The previous prime is 21310103001989. The next prime is 21310103002039. The reversal of 21310103002033 is 33020030101312.
It can be written as a sum of positive squares in 16 ways, for example, as 20324435277169 + 985667724864 = 4508263^2 + 992808^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-21310103002033 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 21310103002033.
It is not an unprimeable number, because it can be changed into a prime (21310103002039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2845516753 + ... + 2845524241.
It is an arithmetic number, because the mean of its divisors is an integer number (684249418125).
Almost surely, 221310103002033 is an apocalyptic number.
It is an amenable number.
21310103002033 is a deficient number, since it is larger than the sum of its proper divisors (585878377967).
21310103002033 is a wasteful number, since it uses less digits than its factorization.
21310103002033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8965.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 21310103002033 its reverse (33020030101312), we get a palindrome (54330133103345).
The spelling of 21310103002033 in words is "twenty-one trillion, three hundred ten billion, one hundred three million, two thousand, thirty-three".
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