Base | Representation |
---|---|
bin | 100000011110000111000… |
… | …000101010010110000001 |
3 | 21220022111211120021022122 |
4 | 200132013000222112001 |
5 | 243024302344433400 |
6 | 4425023001214025 |
7 | 320132003420351 |
oct | 40360700522601 |
9 | 7808454507278 |
10 | 2231353124225 |
11 | 7903477382a5 |
12 | 30054b791315 |
13 | 132553393a54 |
14 | 79dd89a8b61 |
15 | 3d098c61685 |
hex | 2078702a581 |
2231353124225 has 24 divisors (see below), whose sum is σ = 2793978491640. Its totient is φ = 1767627832320.
The previous prime is 2231353124213. The next prime is 2231353124239. The reversal of 2231353124225 is 5224213531322.
It can be written as a sum of positive squares in 12 ways, for example, as 1745170460401 + 486182663824 = 1321049^2 + 697268^2 .
It is not a de Polignac number, because 2231353124225 - 220 = 2231352075649 is a prime.
It is a super-3 number, since 3×22313531242253 (a number of 38 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2650487 + ... + 3389363.
It is an arithmetic number, because the mean of its divisors is an integer number (116415770485).
Almost surely, 22231353124225 is an apocalyptic number.
2231353124225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2231353124225 is a deficient number, since it is larger than the sum of its proper divisors (562625367415).
2231353124225 is a wasteful number, since it uses less digits than its factorization.
2231353124225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 740069 (or 740064 counting only the distinct ones).
The product of its digits is 86400, while the sum is 35.
Adding to 2231353124225 its reverse (5224213531322), we get a palindrome (7455566655547).
The spelling of 2231353124225 in words is "two trillion, two hundred thirty-one billion, three hundred fifty-three million, one hundred twenty-four thousand, two hundred twenty-five".
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