Base | Representation |
---|---|
bin | 10111111000100000… |
… | …10000000000001000 |
3 | 1020002120221202220010 |
4 | 23330100100000020 |
5 | 202224421142442 |
6 | 5520153031520 |
7 | 632512436226 |
oct | 137420200010 |
9 | 36076852803 |
10 | 12822052872 |
11 | 548a795112 |
12 | 259a0b55a0 |
13 | 1294569345 |
14 | 898c87b16 |
15 | 500a01b9c |
hex | 2fc410008 |
12822052872 has 96 divisors (see below), whose sum is σ = 33914181600. Its totient is φ = 4039123968.
The previous prime is 12822052871. The next prime is 12822052883. The reversal of 12822052872 is 27825022821.
It is a self number, because there is not a number n which added to its sum of digits gives 12822052872.
It is not an unprimeable number, because it can be changed into a prime (12822052871) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4044504 + ... + 4047672.
It is an arithmetic number, because the mean of its divisors is an integer number (353272725).
Almost surely, 212822052872 is an apocalyptic number.
12822052872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12822052872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16957090800).
12822052872 is an abundant number, since it is smaller than the sum of its proper divisors (21092128728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12822052872 is a wasteful number, since it uses less digits than its factorization.
12822052872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3683 (or 3660 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 39.
The spelling of 12822052872 in words is "twelve billion, eight hundred twenty-two million, fifty-two thousand, eight hundred seventy-two".
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