Base | Representation |
---|---|
bin | 1110001101001101000111… |
… | …01110011011111011011001 |
3 | 11002121112000101020222210000 |
4 | 13012212203232123323121 |
5 | 13043314102231044113 |
6 | 150235251133443213 |
7 | 6403006261452615 |
oct | 706464356337331 |
9 | 132545011228700 |
10 | 31240044003033 |
11 | 9a54912460328 |
12 | 3606643640509 |
13 | 1457c00c450b8 |
14 | 7a0051c58345 |
15 | 39295a28e373 |
hex | 1c69a3b9bed9 |
31240044003033 has 20 divisors (see below), whose sum is σ = 46684177967988. Its totient is φ = 20819130762240.
The previous prime is 31240044002989. The next prime is 31240044003059. The reversal of 31240044003033 is 33030044004213.
31240044003033 is a `hidden beast` number, since 312 + 4 + 0 + 0 + 4 + 40 + 0 + 303 + 3 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 25267240382409 + 5972803620624 = 5026653^2 + 2443932^2 .
It is not a de Polignac number, because 31240044003033 - 28 = 31240044002777 is a prime.
It is a super-2 number, since 2×312400440030332 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 31240044002988 and 31240044003006.
It is not an unprimeable number, because it can be changed into a prime (31240044003433) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69824148 + ... + 70270133.
Almost surely, 231240044003033 is an apocalyptic number.
It is an amenable number.
31240044003033 is a deficient number, since it is larger than the sum of its proper divisors (15444133964955).
31240044003033 is a wasteful number, since it uses less digits than its factorization.
31240044003033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140097046 (or 140097037 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 31240044003033 its reverse (33030044004213), we get a palindrome (64270088007246).
The spelling of 31240044003033 in words is "thirty-one trillion, two hundred forty billion, forty-four million, three thousand, thirty-three".
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