Base | Representation |
---|---|
bin | 1001001100001111111110… |
… | …00011011101010110111011 |
3 | 2122120020222000110021121000 |
4 | 10212013333003131112323 |
5 | 10122123340124140233 |
6 | 110553151034020043 |
7 | 4154163454131111 |
oct | 446077703352673 |
9 | 78506860407530 |
10 | 20212100224443 |
11 | 64929a3714a26 |
12 | 23252a7577623 |
13 | b37cba45941a |
14 | 4dc3b13a9ab1 |
15 | 250b6a776d13 |
hex | 1261ff0dd5bb |
20212100224443 has 32 divisors (see below), whose sum is σ = 30754582341120. Its totient is φ = 13109938944480.
The previous prime is 20212100224423. The next prime is 20212100224487. The reversal of 20212100224443 is 34442200121202.
It is a happy number.
20212100224443 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 210 + 0 + 2 + 2 + 4 + 443 = 666.
It is not a de Polignac number, because 20212100224443 - 25 = 20212100224411 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20212100224423) 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, 21427396 + ... + 22350782.
It is an arithmetic number, because the mean of its divisors is an integer number (961080698160).
Almost surely, 220212100224443 is an apocalyptic number.
20212100224443 is a deficient number, since it is larger than the sum of its proper divisors (10542482116677).
20212100224443 is a wasteful number, since it uses less digits than its factorization.
20212100224443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 945344 (or 945338 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 20212100224443 its reverse (34442200121202), we get a palindrome (54654300345645).
The spelling of 20212100224443 in words is "twenty trillion, two hundred twelve billion, one hundred million, two hundred twenty-four thousand, four hundred forty-three".
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