Base | Representation |
---|---|
bin | 1110001101001101000110… |
… | …00001111010110110101110 |
3 | 11002121111222120022002211002 |
4 | 13012212203001322312232 |
5 | 13043314041234130410 |
6 | 150235250035400302 |
7 | 6403006060330100 |
oct | 706464301726656 |
9 | 132544876262732 |
10 | 31240032333230 |
11 | 9a5490690a666 |
12 | 360663b753092 |
13 | 1457bcb6ba4a6 |
14 | 7a005049b570 |
15 | 3929592367a5 |
hex | 1c69a307adae |
31240032333230 has 24 divisors (see below), whose sum is σ = 65412802396728. Its totient is φ = 10710868228368.
The previous prime is 31240032333217. The next prime is 31240032333239. The reversal of 31240032333230 is 3233323004213.
It is a junction number, because it is equal to n+sod(n) for n = 31240032333193 and 31240032333202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31240032333239) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31877583524 + ... + 31877584503.
It is an arithmetic number, because the mean of its divisors is an integer number (2725533433197).
Almost surely, 231240032333230 is an apocalyptic number.
31240032333230 is an abundant number, since it is smaller than the sum of its proper divisors (34172770063498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31240032333230 is a wasteful number, since it uses less digits than its factorization.
31240032333230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63755168048 (or 63755168041 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 29.
Adding to 31240032333230 its reverse (3233323004213), we get a palindrome (34473355337443).
The spelling of 31240032333230 in words is "thirty-one trillion, two hundred forty billion, thirty-two million, three hundred thirty-three thousand, two hundred thirty".
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