Base | Representation |
---|---|
bin | 11101011010010100101… |
… | …111111110010111011111 |
3 | 21011012220001002220211211 |
4 | 131122110233332113133 |
5 | 231103233314431221 |
6 | 4144254443125251 |
7 | 266010330344560 |
oct | 35322457762737 |
9 | 7135801086754 |
10 | 2021130233311 |
11 | 70a17a364922 |
12 | 287860513827 |
13 | 118790146bc7 |
14 | 6db74d04167 |
15 | 378930a26e1 |
hex | 1d694bfe5df |
2021130233311 has 16 divisors (see below), whose sum is σ = 2314829344000. Its totient is φ = 1728673695360.
The previous prime is 2021130233281. The next prime is 2021130233323. The reversal of 2021130233311 is 1133320311202.
It is a cyclic number.
It is not a de Polignac number, because 2021130233311 - 229 = 2020593362399 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2021130233011) 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, 26288356 + ... + 26365126.
It is an arithmetic number, because the mean of its divisors is an integer number (144676834000).
Almost surely, 22021130233311 is an apocalyptic number.
2021130233311 is a deficient number, since it is larger than the sum of its proper divisors (293699110689).
2021130233311 is an equidigital number, since it uses as much as digits as its factorization.
2021130233311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84814.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 2021130233311 its reverse (1133320311202), we get a palindrome (3154450544513).
The spelling of 2021130233311 in words is "two trillion, twenty-one billion, one hundred thirty million, two hundred thirty-three thousand, three hundred eleven".
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