Base | Representation |
---|---|
bin | 1110001101010001001110… |
… | …11101000111001011010111 |
3 | 11002121201201101212012220100 |
4 | 13012220213131013023113 |
5 | 13043333114014212403 |
6 | 150240254322505143 |
7 | 6403115115543321 |
oct | 706504735071327 |
9 | 132551641765810 |
10 | 31242254054103 |
11 | 9a55846a25414 |
12 | 3606b5b8051b3 |
13 | 1458193a85621 |
14 | 7a01c1590611 |
15 | 392a392e42a3 |
hex | 1c6a277472d7 |
31242254054103 has 12 divisors (see below), whose sum is σ = 45127758972400. Its totient is φ = 20828142290016.
The previous prime is 31242254054083. The next prime is 31242254054113. The reversal of 31242254054103 is 30145045224213.
It is a happy number.
31242254054103 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 2 + 2 + 540 + 5 + 4 + 103 = 666.
It is not a de Polignac number, because 31242254054103 - 25 = 31242254054071 is a prime.
It is a super-2 number, since 2×312422540541032 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31242254054113) 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, 7086150 + ... + 10615932.
Almost surely, 231242254054103 is an apocalyptic number.
31242254054103 is a deficient number, since it is larger than the sum of its proper divisors (13885504918297).
31242254054103 is a wasteful number, since it uses less digits than its factorization.
31242254054103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4513238 (or 4513235 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 36.
Adding to 31242254054103 its reverse (30145045224213), we get a palindrome (61387299278316).
The spelling of 31242254054103 in words is "thirty-one trillion, two hundred forty-two billion, two hundred fifty-four million, fifty-four thousand, one hundred three".
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