Base | Representation |
---|---|
bin | 11101001110100100… |
… | …110001101100010001 |
3 | 10000000010201100020100 |
4 | 131032210301230101 |
5 | 1003233024102031 |
6 | 22230035203013 |
7 | 2160462251550 |
oct | 351644615421 |
9 | 100003640210 |
10 | 31383034641 |
11 | 123449a5472 |
12 | 60ba146469 |
13 | 2c61a837aa |
14 | 1739dc1d97 |
15 | c3a26bde6 |
hex | 74e931b11 |
31383034641 has 48 divisors (see below), whose sum is σ = 54555621120. Its totient is φ = 16996003200.
The previous prime is 31383034607. The next prime is 31383034679. The reversal of 31383034641 is 14643038313.
31383034641 is a `hidden beast` number, since 3 + 1 + 3 + 8 + 3 + 0 + 3 + 4 + 641 = 666.
It is not a de Polignac number, because 31383034641 - 219 = 31382510353 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31383034596 and 31383034605.
It is not an unprimeable number, because it can be changed into a prime (31383034601) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 58591 + ... + 257291.
It is an arithmetic number, because the mean of its divisors is an integer number (1136575440).
Almost surely, 231383034641 is an apocalyptic number.
It is an amenable number.
31383034641 is a deficient number, since it is larger than the sum of its proper divisors (23172586479).
31383034641 is a wasteful number, since it uses less digits than its factorization.
31383034641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198846 (or 198843 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 36.
The spelling of 31383034641 in words is "thirty-one billion, three hundred eighty-three million, thirty-four thousand, six hundred forty-one".
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