Base | Representation |
---|---|
bin | 100000011100111110001… |
… | …010101000101010100101 |
3 | 21220012100122221000211022 |
4 | 200130332022220222211 |
5 | 243014302014031041 |
6 | 4424301423020525 |
7 | 320056503514016 |
oct | 40347612505245 |
9 | 7805318830738 |
10 | 2230131002021 |
11 | 78a87a8a184a |
12 | 30026a43a745 |
13 | 1323ba125210 |
14 | 79d2055b00d |
15 | 3d02680624b |
hex | 2073e2a8aa5 |
2230131002021 has 4 divisors (see below), whose sum is σ = 2401679540652. Its totient is φ = 2058582463392.
The previous prime is 2230131001997. The next prime is 2230131002023. The reversal of 2230131002021 is 1202001310322.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 122521000900 + 2107610001121 = 350030^2 + 1451761^2 .
It is not a de Polignac number, because 2230131002021 - 214 = 2230130985637 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 (2230131002023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85774269296 + ... + 85774269321.
It is an arithmetic number, because the mean of its divisors is an integer number (600419885163).
Almost surely, 22230131002021 is an apocalyptic number.
It is an amenable number.
2230131002021 is a deficient number, since it is larger than the sum of its proper divisors (171548538631).
2230131002021 is a wasteful number, since it uses less digits than its factorization.
2230131002021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171548538630.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 2230131002021 its reverse (1202001310322), we get a palindrome (3432132312343).
The spelling of 2230131002021 in words is "two trillion, two hundred thirty billion, one hundred thirty-one million, two thousand, twenty-one".
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