Base | Representation |
---|---|
bin | 100000011101111111101… |
… | …010111111001101100101 |
3 | 21220022012020220000102000 |
4 | 200131333222333031211 |
5 | 243024024340031041 |
6 | 4425002442235513 |
7 | 320125650043446 |
oct | 40357752771545 |
9 | 7808166800360 |
10 | 2231230002021 |
11 | 790294193809 |
12 | 3005164b5b99 |
13 | 132533a15987 |
14 | 79dc64b92cd |
15 | 3d08d040bb6 |
hex | 2077fabf365 |
2231230002021 has 16 divisors (see below), whose sum is σ = 3305578588800. Its totient is φ = 1487462971104.
The previous prime is 2231230002007. The next prime is 2231230002097. The reversal of 2231230002021 is 1202000321322.
2231230002021 is a `hidden beast` number, since 2 + 231 + 230 + 0 + 0 + 202 + 1 = 666.
It is not a de Polignac number, because 2231230002021 - 222 = 2231225807717 is a prime.
It is a super-3 number, since 3×22312300020213 (a number of 38 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2231230001985 and 2231230002003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231230002721) 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, 1159200 + ... + 2409606.
It is an arithmetic number, because the mean of its divisors is an integer number (206598661800).
Almost surely, 22231230002021 is an apocalyptic number.
It is an amenable number.
2231230002021 is a deficient number, since it is larger than the sum of its proper divisors (1074348586779).
2231230002021 is a wasteful number, since it uses less digits than its factorization.
2231230002021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1316505 (or 1316499 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 2231230002021 its reverse (1202000321322), we get a palindrome (3433230323343).
The spelling of 2231230002021 in words is "two trillion, two hundred thirty-one billion, two hundred thirty million, two thousand, twenty-one".
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