Base | Representation |
---|---|
bin | 11101011010010100101… |
… | …111100010110001110110 |
3 | 21011012220000220011211121 |
4 | 131122110233202301312 |
5 | 231103233302322220 |
6 | 4144254440454154 |
7 | 266010326364250 |
oct | 35322457426166 |
9 | 7135800804747 |
10 | 2021130120310 |
11 | 70a17a297a34 |
12 | 28786047a35a |
13 | 118790107642 |
14 | 6db74cb4cd0 |
15 | 3789307deaa |
hex | 1d694be2c76 |
2021130120310 has 64 divisors (see below), whose sum is σ = 4419915310080. Its totient is φ = 649987459200.
The previous prime is 2021130120307. The next prime is 2021130120311. The reversal of 2021130120310 is 130210311202.
It is a super-2 number, since 2×20211301203102 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2021130120311) 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, 7388674 + ... + 7657333.
It is an arithmetic number, because the mean of its divisors is an integer number (69061176720).
Almost surely, 22021130120310 is an apocalyptic number.
2021130120310 is an abundant number, since it is smaller than the sum of its proper divisors (2398785189770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021130120310 is a wasteful number, since it uses less digits than its factorization.
2021130120310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15046141.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 2021130120310 its reverse (130210311202), we get a palindrome (2151340431512).
The spelling of 2021130120310 in words is "two trillion, twenty-one billion, one hundred thirty million, one hundred twenty thousand, three hundred ten".
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