Base | Representation |
---|---|
bin | 100000011110100010110… |
… | …011000110000100100100 |
3 | 21220100201022210222011211 |
4 | 200132202303012010210 |
5 | 243031231222023303 |
6 | 4425141133441204 |
7 | 320146364203354 |
oct | 40364263060444 |
9 | 7810638728154 |
10 | 2231819329828 |
11 | 790566912490 |
12 | 30065b940204 |
13 | 1325c8b45a5a |
14 | 7a040884b64 |
15 | 3d0c4b5166d |
hex | 207a2cc6124 |
2231819329828 has 288 divisors, whose sum is σ = 4672622287872. Its totient is φ = 924308985600.
The previous prime is 2231819329801. The next prime is 2231819329829. The reversal of 2231819329828 is 8289239181322.
It is a super-3 number, since 3×22318193298283 (a number of 38 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2231819329829) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7269769651 + ... + 7269769957.
It is an arithmetic number, because the mean of its divisors is an integer number (16224382944).
Almost surely, 22231819329828 is an apocalyptic number.
It is an amenable number.
2231819329828 is an abundant number, since it is smaller than the sum of its proper divisors (2440802958044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231819329828 is a wasteful number, since it uses less digits than its factorization.
2231819329828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 575 (or 550 counting only the distinct ones).
The product of its digits is 5971968, while the sum is 58.
The spelling of 2231819329828 in words is "two trillion, two hundred thirty-one billion, eight hundred nineteen million, three hundred twenty-nine thousand, eight hundred twenty-eight".
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