Base | Representation |
---|---|
bin | 100111110011000000… |
… | …101110110011010101 |
3 | 11002022001100100220101 |
4 | 213303000232303111 |
5 | 1200003312321403 |
6 | 31344121534101 |
7 | 3041634655105 |
oct | 476300566325 |
9 | 132261310811 |
10 | 42731760853 |
11 | 17138a68441 |
12 | 8346944331 |
13 | 40500095c2 |
14 | 20d530b205 |
15 | 11a174271d |
hex | 9f302ecd5 |
42731760853 has 2 divisors, whose sum is σ = 42731760854. Its totient is φ = 42731760852.
The previous prime is 42731760823. The next prime is 42731760899. The reversal of 42731760853 is 35806713724.
It is a happy number.
It is an a-pointer prime, because the next prime (42731760899) can be obtained adding 42731760853 to its sum of digits (46).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 38888628804 + 3843132049 = 197202^2 + 61993^2 .
It is a cyclic number.
It is not a de Polignac number, because 42731760853 - 25 = 42731760821 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42731760823) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21365880426 + 21365880427.
It is an arithmetic number, because the mean of its divisors is an integer number (21365880427).
Almost surely, 242731760853 is an apocalyptic number.
It is an amenable number.
42731760853 is a deficient number, since it is larger than the sum of its proper divisors (1).
42731760853 is an equidigital number, since it uses as much as digits as its factorization.
42731760853 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 846720, while the sum is 46.
The spelling of 42731760853 in words is "forty-two billion, seven hundred thirty-one million, seven hundred sixty thousand, eight hundred fifty-three".
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