Base | Representation |
---|---|
bin | 11101011001010111010… |
… | …110010111011011000101 |
3 | 21011010020020202020100101 |
4 | 131121113112113123011 |
5 | 231044131112010041 |
6 | 4144004324044101 |
7 | 265642651422640 |
oct | 35312726273305 |
9 | 7133206666311 |
10 | 2020100110021 |
11 | 7097a0936a64 |
12 | 287613533631 |
13 | 1186578c08b6 |
14 | 6dab8194a57 |
15 | 37832920b31 |
hex | 1d6575976c5 |
2020100110021 has 8 divisors (see below), whose sum is σ = 2308741052544. Its totient is φ = 1731472970640.
The previous prime is 2020100109977. The next prime is 2020100110163. The reversal of 2020100110021 is 1200110010202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2020100110021 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 (2020100120021) 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, 3135250 + ... + 3724243.
It is an arithmetic number, because the mean of its divisors is an integer number (288592631568).
Almost surely, 22020100110021 is an apocalyptic number.
It is an amenable number.
2020100110021 is a deficient number, since it is larger than the sum of its proper divisors (288640942523).
2020100110021 is an equidigital number, since it uses as much as digits as its factorization.
2020100110021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6901571.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 2020100110021 its reverse (1200110010202), we get a palindrome (3220210120223).
The spelling of 2020100110021 in words is "two trillion, twenty billion, one hundred million, one hundred ten thousand, twenty-one".
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