Base | Representation |
---|---|
bin | 11000001001101011… |
… | …01011001100000010 |
3 | 1020110121222011201200 |
4 | 30010311223030002 |
5 | 203023304100112 |
6 | 5542340042030 |
7 | 636211605150 |
oct | 140465531402 |
9 | 36417864650 |
10 | 12966081282 |
11 | 5554018860 |
12 | 261a393316 |
13 | 12b835715b |
14 | 8b005a3d0 |
15 | 50d4a1cdc |
hex | 304d6b302 |
12966081282 has 96 divisors (see below), whose sum is σ = 35839964160. Its totient is φ = 3289476960.
The previous prime is 12966081259. The next prime is 12966081287. The reversal of 12966081282 is 28218066921.
12966081282 is a `hidden beast` number, since 1 + 29 + 6 + 608 + 12 + 8 + 2 = 666.
It is a super-2 number, since 2×129660812822 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12966081287) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49182 + ... + 168377.
It is an arithmetic number, because the mean of its divisors is an integer number (373332960).
Almost surely, 212966081282 is an apocalyptic number.
12966081282 is an abundant number, since it is smaller than the sum of its proper divisors (22873882878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12966081282 is a wasteful number, since it uses less digits than its factorization.
12966081282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217628 (or 217625 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The spelling of 12966081282 in words is "twelve billion, nine hundred sixty-six million, eighty-one thousand, two hundred eighty-two".
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