Base | Representation |
---|---|
bin | 11101011010100000101… |
… | …010011010100000111011 |
3 | 21011020101222012022121010 |
4 | 131122200222122200323 |
5 | 231104141001233311 |
6 | 4144330343045003 |
7 | 266015305245231 |
oct | 35324052324073 |
9 | 7136358168533 |
10 | 2021330102331 |
11 | 70a272168431 |
12 | 2878b7440763 |
13 | 1187c26866b7 |
14 | 6db93690951 |
15 | 378a58d2da6 |
hex | 1d6a0a9a83b |
2021330102331 has 16 divisors (see below), whose sum is σ = 2733412082688. Its totient is φ = 1328405568000.
The previous prime is 2021330102327. The next prime is 2021330102333. The reversal of 2021330102331 is 1332010331202.
It is not a de Polignac number, because 2021330102331 - 22 = 2021330102327 is a prime.
It is a super-2 number, since 2×20213301023312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2021330102298 and 2021330102307.
It is not an unprimeable number, because it can be changed into a prime (2021330102333) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096795 + ... + 2290331.
It is an arithmetic number, because the mean of its divisors is an integer number (170838255168).
Almost surely, 22021330102331 is an apocalyptic number.
2021330102331 is a deficient number, since it is larger than the sum of its proper divisors (712081980357).
2021330102331 is a wasteful number, since it uses less digits than its factorization.
2021330102331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1201562.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 2021330102331 its reverse (1332010331202), we get a palindrome (3353340433533).
The spelling of 2021330102331 in words is "two trillion, twenty-one billion, three hundred thirty million, one hundred two thousand, three hundred thirty-one".
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