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2212313000 = 23532817873
BaseRepresentation
bin1000001111011101…
…0011011110101000
312201011212010220112
42003313103132220
514012323004000
61003305313452
7105552231062
oct20367233650
95634763815
102212313000
11a3587a557
12518a95888
13293452c61
1416db64732
15ce350235
hex83dd37a8

2212313000 has 64 divisors (see below), whose sum is σ = 5195895120. Its totient is φ = 881664000.

The previous prime is 2212312979. The next prime is 2212313009. The reversal of 2212313000 is 3132122.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2748964 + 2209564036 = 1658^2 + 47006^2 .

It is not an unprimeable number, because it can be changed into a prime (2212313009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277064 + ... + 284936.

Almost surely, 22212313000 is an apocalyptic number.

2212313000 is a gapful number since it is divisible by the number (20) 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 2212313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2597947560).

2212313000 is an abundant number, since it is smaller than the sum of its proper divisors (2983582120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212313000 is a wasteful number, since it uses less digits than its factorization.

2212313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8175 (or 8161 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2212313000 is about 47035.2314759904. The cubic root of 2212313000 is about 1303.0133254694.

Adding to 2212313000 its reverse (3132122), we get a palindrome (2215445122).

The spelling of 2212313000 in words is "two billion, two hundred twelve million, three hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 281 500 562 1000 1124 1405 2248 2810 5620 7025 7873 11240 14050 15746 28100 31492 35125 39365 56200 62984 70250 78730 140500 157460 196825 281000 314920 393650 787300 984125 1574600 1968250 2212313 3936500 4424626 7873000 8849252 11061565 17698504 22123130 44246260 55307825 88492520 110615650 221231300 276539125 442462600 553078250 1106156500 2212313000