Base | Representation |
---|---|
bin | 10110011111011111… |
… | …00011001000001010 |
3 | 1011011112202221011000 |
4 | 23033233203020022 |
5 | 144212233023304 |
6 | 5314115115430 |
7 | 605144132400 |
oct | 131757431012 |
9 | 34145687130 |
10 | 12075282954 |
11 | 5137200899 |
12 | 240bba2b76 |
13 | 11a5932b57 |
14 | 827a17470 |
15 | 4aa191939 |
hex | 2cfbe320a |
12075282954 has 144 divisors (see below), whose sum is σ = 33161304960. Its totient is φ = 3246929280.
The previous prime is 12075282953. The next prime is 12075283019. The reversal of 12075282954 is 45928257021.
It is a super-2 number, since 2×120752829542 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12075282953) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 756799 + ... + 772589.
It is an arithmetic number, because the mean of its divisors is an integer number (230286840).
Almost surely, 212075282954 is an apocalyptic number.
12075282954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12075282954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16580652480).
12075282954 is an abundant number, since it is smaller than the sum of its proper divisors (21086022006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12075282954 is a wasteful number, since it uses less digits than its factorization.
12075282954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15850 (or 15820 counting only the distinct ones).
The product of its (nonzero) digits is 403200, while the sum is 45.
The spelling of 12075282954 in words is "twelve billion, seventy-five million, two hundred eighty-two thousand, nine hundred fifty-four".
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