Base | Representation |
---|---|
bin | 11101011011001011000… |
… | …11110110110101011101 |
3 | 10120122121210210001111220 |
4 | 32231211203312311131 |
5 | 113031032412304041 |
6 | 2052242353203553 |
7 | 133021022342301 |
oct | 16554543666535 |
9 | 3518553701456 |
10 | 1011021213021 |
11 | 35a854132406 |
12 | 143b38b605b9 |
13 | 7445370c771 |
14 | 36d10079d01 |
15 | 1b4740e5d66 |
hex | eb658f6d5d |
1011021213021 has 16 divisors (see below), whose sum is σ = 1400497076160. Its totient is φ = 647979248000.
The previous prime is 1011021213011. The next prime is 1011021213043. The reversal of 1011021213021 is 1203121201101.
It is not a de Polignac number, because 1011021213021 - 222 = 1011017018717 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1011021213011) 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, 24917355 + ... + 24957896.
It is an arithmetic number, because the mean of its divisors is an integer number (87531067260).
Almost surely, 21011021213021 is an apocalyptic number.
It is an amenable number.
1011021213021 is a deficient number, since it is larger than the sum of its proper divisors (389475863139).
1011021213021 is a wasteful number, since it uses less digits than its factorization.
1011021213021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49875516.
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 1011021213021 its reverse (1203121201101), we get a palindrome (2214142414122).
The spelling of 1011021213021 in words is "one trillion, eleven billion, twenty-one million, two hundred thirteen thousand, twenty-one".
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