Base | Representation |
---|---|
bin | 1110001101001101000010… |
… | …01111110100110110110100 |
3 | 11002121111220111000120101212 |
4 | 13012212201033310312310 |
5 | 13043314011110033434 |
6 | 150235243050340552 |
7 | 6403005245160635 |
oct | 706464117646664 |
9 | 132544814016355 |
10 | 31240002424244 |
11 | 9a548a0a41599 |
12 | 360663172a758 |
13 | 1457bc5447a73 |
14 | 7a004a51388c |
15 | 3929567c98ce |
hex | 1c69a13f4db4 |
31240002424244 has 6 divisors (see below), whose sum is σ = 54670004242434. Its totient is φ = 15620001212120.
The previous prime is 31240002424237. The next prime is 31240002424247. The reversal of 31240002424244 is 44242420004213.
It can be written as a sum of positive squares in only one way, i.e., 29359708771600 + 1880293652644 = 5418460^2 + 1371238^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 31240002424244.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31240002424247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3905000303027 + ... + 3905000303034.
It is an arithmetic number, because the mean of its divisors is an integer number (9111667373739).
Almost surely, 231240002424244 is an apocalyptic number.
It is an amenable number.
31240002424244 is a deficient number, since it is larger than the sum of its proper divisors (23430001818190).
31240002424244 is a wasteful number, since it uses less digits than its factorization.
31240002424244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7810000606065 (or 7810000606063 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 32.
Adding to 31240002424244 its reverse (44242420004213), we get a palindrome (75482422428457).
The spelling of 31240002424244 in words is "thirty-one trillion, two hundred forty billion, two million, four hundred twenty-four thousand, two hundred forty-four".
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