Base | Representation |
---|---|
bin | 11010010111100010110… |
… | …01100001110000001101 |
3 | 10012121112012220210020210 |
4 | 31023301121201300031 |
5 | 104320433220224234 |
6 | 1532112453033033 |
7 | 122312232365463 |
oct | 15136131416015 |
9 | 3177465823223 |
10 | 905993133069 |
11 | 31a258560432 |
12 | 127707325779 |
13 | 675862bc3ab |
14 | 31bc9328833 |
15 | 18878759be9 |
hex | d2f1661c0d |
905993133069 has 16 divisors (see below), whose sum is σ = 1210176934272. Its totient is φ = 602903251968.
The previous prime is 905993133037. The next prime is 905993133079. The reversal of 905993133069 is 960331399509.
It is not a de Polignac number, because 905993133069 - 25 = 905993133037 is a prime.
It is a super-2 number, since 2×9059931330692 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (905993133079) 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 in 15 ways as a sum of consecutive naturals, for example, 4081777 + ... + 4298009.
It is an arithmetic number, because the mean of its divisors is an integer number (75636058392).
Almost surely, 2905993133069 is an apocalyptic number.
It is an amenable number.
905993133069 is a deficient number, since it is larger than the sum of its proper divisors (304183801203).
905993133069 is a wasteful number, since it uses less digits than its factorization.
905993133069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218756.
The product of its (nonzero) digits is 5314410, while the sum is 57.
The spelling of 905993133069 in words is "nine hundred five billion, nine hundred ninety-three million, one hundred thirty-three thousand, sixty-nine".
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