Base | Representation |
---|---|
bin | 11110000001001100001… |
… | …01111100101000010001 |
3 | 10122121022012212001221111 |
4 | 33000212011330220101 |
5 | 113344332344304210 |
6 | 2105455531053321 |
7 | 134342553630550 |
oct | 17004605745021 |
9 | 3577265761844 |
10 | 1031431244305 |
11 | 368478058a60 |
12 | 147a942a1241 |
13 | 7635702b857 |
14 | 37cc89b7d97 |
15 | 1bc6ad5788a |
hex | f02617ca11 |
1031431244305 has 32 divisors (see below), whose sum is σ = 1545536049408. Its totient is φ = 641966899200.
The previous prime is 1031431244287. The next prime is 1031431244321. The reversal of 1031431244305 is 5034421341301.
It is not a de Polignac number, because 1031431244305 - 27 = 1031431244177 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1842952 + ... + 2336521.
It is an arithmetic number, because the mean of its divisors is an integer number (48298001544).
Almost surely, 21031431244305 is an apocalyptic number.
It is an amenable number.
1031431244305 is a deficient number, since it is larger than the sum of its proper divisors (514104805103).
1031431244305 is a wasteful number, since it uses less digits than its factorization.
1031431244305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4180137.
The product of its (nonzero) digits is 17280, while the sum is 31.
Adding to 1031431244305 its reverse (5034421341301), we get a palindrome (6065852585606).
The spelling of 1031431244305 in words is "one trillion, thirty-one billion, four hundred thirty-one million, two hundred forty-four thousand, three hundred five".
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