Base | Representation |
---|---|
bin | 11101110000000001… |
… | …000011010101000001 |
3 | 10001110020110011102011 |
4 | 131300001003111001 |
5 | 1010410142020131 |
6 | 22401440452521 |
7 | 2210414220265 |
oct | 356001032501 |
9 | 101406404364 |
10 | 31944095041 |
11 | 12602677451 |
12 | 623601a141 |
13 | 30210973b1 |
14 | 17907100a5 |
15 | c6e6470b1 |
hex | 770043541 |
31944095041 has 2 divisors, whose sum is σ = 31944095042. Its totient is φ = 31944095040.
The previous prime is 31944095023. The next prime is 31944095081. The reversal of 31944095041 is 14059044913.
It is an a-pointer prime, because the next prime (31944095081) can be obtained adding 31944095041 to its sum of digits (40).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 30066172816 + 1877922225 = 173396^2 + 43335^2 .
It is a cyclic number.
It is not a de Polignac number, because 31944095041 - 27 = 31944094913 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31944094985 and 31944095003.
It is not a weakly prime, because it can be changed into another prime (31944095081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15972047520 + 15972047521.
It is an arithmetic number, because the mean of its divisors is an integer number (15972047521).
Almost surely, 231944095041 is an apocalyptic number.
It is an amenable number.
31944095041 is a deficient number, since it is larger than the sum of its proper divisors (1).
31944095041 is an equidigital number, since it uses as much as digits as its factorization.
31944095041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 77760, while the sum is 40.
The spelling of 31944095041 in words is "thirty-one billion, nine hundred forty-four million, ninety-five thousand, forty-one".
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