Base | Representation |
---|---|
bin | 11010010110100101101… |
… | …11110110001100010100 |
3 | 10012120012112020002111010 |
4 | 31023102313312030110 |
5 | 104313411113044122 |
6 | 1531550000012220 |
7 | 122263443254451 |
oct | 15132267661424 |
9 | 3176175202433 |
10 | 905480987412 |
11 | 31a015458861 |
12 | 1275a3901070 |
13 | 67504173c21 |
14 | 31b7b2d0828 |
15 | 188487e2e0c |
hex | d2d2df6314 |
905480987412 has 48 divisors (see below), whose sum is σ = 2179891224000. Its totient is φ = 292346883840.
The previous prime is 905480987407. The next prime is 905480987413. The reversal of 905480987412 is 214789084509.
It is a super-2 number, since 2×9054809874122 (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 (905480987413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6551787 + ... + 6688562.
It is an arithmetic number, because the mean of its divisors is an integer number (45414400500).
Almost surely, 2905480987412 is an apocalyptic number.
It is an amenable number.
905480987412 is an abundant number, since it is smaller than the sum of its proper divisors (1274410236588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
905480987412 is a wasteful number, since it uses less digits than its factorization.
905480987412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13240536 (or 13240534 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 57.
The spelling of 905480987412 in words is "nine hundred five billion, four hundred eighty million, nine hundred eighty-seven thousand, four hundred twelve".
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