Base | Representation |
---|---|
bin | 1001001100001110010011… |
… | …11111100001101001110010 |
3 | 2122120011122222100020121202 |
4 | 10212013021333201221302 |
5 | 10122120024230013020 |
6 | 110552522433251202 |
7 | 4154132424301400 |
oct | 446071177415162 |
9 | 78504588306552 |
10 | 20211210001010 |
11 | 649258715a986 |
12 | 2325099403b02 |
13 | b37ba7ba69b2 |
14 | 4dc329076470 |
15 | 250b1752be75 |
hex | 1261c9fe1a72 |
20211210001010 has 96 divisors (see below), whose sum is σ = 44604801541440. Its totient is φ = 6556349132928.
The previous prime is 20211210001001. The next prime is 20211210001043. The reversal of 20211210001010 is 1010001211202.
It is a junction number, because it is equal to n+sod(n) for n = 20211210000982 and 20211210001000.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 5792417 + ... + 8600843.
It is an arithmetic number, because the mean of its divisors is an integer number (464633349390).
Almost surely, 220211210001010 is an apocalyptic number.
20211210001010 is an abundant number, since it is smaller than the sum of its proper divisors (24393591540430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20211210001010 is a wasteful number, since it uses less digits than its factorization.
20211210001010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2809240 (or 2809233 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 20211210001010 its reverse (1010001211202), we get a palindrome (21221211212212).
The spelling of 20211210001010 in words is "twenty trillion, two hundred eleven billion, two hundred ten million, one thousand, ten".
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