Base | Representation |
---|---|
bin | 1001001100000000111011… |
… | …0010111010111111000101 |
3 | 1022202202001112111201201211 |
4 | 2103000032302322333011 |
5 | 2311002404343410041 |
6 | 33252444441251421 |
7 | 2061563154231361 |
oct | 223001662727705 |
9 | 38682045451654 |
10 | 10102011310021 |
11 | 324526a031104 |
12 | 1171a07193b71 |
13 | 583800572227 |
14 | 26cd233502a1 |
15 | 127b9aa26481 |
hex | 9300ecbafc5 |
10102011310021 has 8 divisors (see below), whose sum is σ = 10696460937624. Its totient is φ = 9507585423360.
The previous prime is 10102011310019. The next prime is 10102011310033. The reversal of 10102011310021 is 12001311020101.
It is a happy number.
10102011310021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1321842281796 + 8780169028225 = 1149714^2 + 2963135^2 .
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 10102011310021 - 21 = 10102011310019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10102011309983 and 10102011310010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10102011310051) 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, 5055450 + ... + 6764731.
It is an arithmetic number, because the mean of its divisors is an integer number (1337057617203).
Almost surely, 210102011310021 is an apocalyptic number.
It is an amenable number.
10102011310021 is a deficient number, since it is larger than the sum of its proper divisors (594449627603).
10102011310021 is a wasteful number, since it uses less digits than its factorization.
10102011310021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11870471.
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 10102011310021 its reverse (12001311020101), we get a palindrome (22103322330122).
The spelling of 10102011310021 in words is "ten trillion, one hundred two billion, eleven million, three hundred ten thousand, twenty-one".
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