Base | Representation |
---|---|
bin | 11110111111110100101… |
… | …001000111110010010101 |
3 | 21112122012020211212201110 |
4 | 132333310221013302111 |
5 | 234344432441411041 |
6 | 4310321023045233 |
7 | 306616122504645 |
oct | 36776451076225 |
9 | 7478166755643 |
10 | 2130113232021 |
11 | 7514154298a5 |
12 | 2a49b6740819 |
13 | 125b3aa333a8 |
14 | 75152dd2525 |
15 | 3a620c5b516 |
hex | 1eff4a47c95 |
2130113232021 has 8 divisors (see below), whose sum is σ = 2843759811424. Its totient is φ = 1418271070320.
The previous prime is 2130113231951. The next prime is 2130113232043. The reversal of 2130113232021 is 1202323110312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2130113232021 - 217 = 2130113100949 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 (2130113236021) 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, 451101670 + ... + 451106391.
It is an arithmetic number, because the mean of its divisors is an integer number (355469976428).
Almost surely, 22130113232021 is an apocalyptic number.
It is an amenable number.
2130113232021 is a deficient number, since it is larger than the sum of its proper divisors (713646579403).
2130113232021 is an equidigital number, since it uses as much as digits as its factorization.
2130113232021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 902208851.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2130113232021 its reverse (1202323110312), we get a palindrome (3332436342333).
The spelling of 2130113232021 in words is "two trillion, one hundred thirty billion, one hundred thirteen million, two hundred thirty-two thousand, twenty-one".
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