Base | Representation |
---|---|
bin | 11101011010001100111… |
… | …111111110011001011010 |
3 | 21011012112222110001102000 |
4 | 131122030333332121122 |
5 | 231103002023210020 |
6 | 4144233520221430 |
7 | 266004161226105 |
oct | 35321477763132 |
9 | 7135488401360 |
10 | 2021000210010 |
11 | 70a112a27451 |
12 | 287824a6a876 |
13 | 11876c220942 |
14 | 6db6193973c |
15 | 3788696c090 |
hex | 1d68cffe65a |
2021000210010 has 64 divisors (see below), whose sum is σ = 5439701577600. Its totient is φ = 533896621056.
The previous prime is 2021000209999. The next prime is 2021000210011. The reversal of 2021000210010 is 100120001202.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2021000209974 and 2021000210001.
It is not an unprimeable number, because it can be changed into a prime (2021000210011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34948615 + ... + 35006394.
It is an arithmetic number, because the mean of its divisors is an integer number (84995337150).
Almost surely, 22021000210010 is an apocalyptic number.
2021000210010 is an abundant number, since it is smaller than the sum of its proper divisors (3418701367590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021000210010 is a wasteful number, since it uses less digits than its factorization.
2021000210010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69955132 (or 69955126 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 2021000210010 its reverse (100120001202), we get a palindrome (2121120211212).
The spelling of 2021000210010 in words is "two trillion, twenty-one billion, two hundred ten thousand, ten".
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