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22780130226 = 237542384053
BaseRepresentation
bin10101001101110011…
…010011001110110010
32011210120211111221220
4111031303103032302
5333123203131401
614244241125510
71434340624560
oct251563231662
964716744856
1022780130226
11972a876007
1244b9029896
1321c0668ac9
141161616a30
158d4d7d336
hex54dcd33b2

22780130226 has 16 divisors (see below), whose sum is σ = 52068869184. Its totient is φ = 6508608624.

The previous prime is 22780130221. The next prime is 22780130273. The reversal of 22780130226 is 62203108722.

It is a super-2 number, since 2×227801302262 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22780130221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271191985 + ... + 271192068.

It is an arithmetic number, because the mean of its divisors is an integer number (3254304324).

Almost surely, 222780130226 is an apocalyptic number.

22780130226 is an abundant number, since it is smaller than the sum of its proper divisors (29288738958).

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

22780130226 is a wasteful number, since it uses less digits than its factorization.

22780130226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542384065.

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 22780130226 its reverse (62203108722), we get a palindrome (84983238948).

The spelling of 22780130226 in words is "twenty-two billion, seven hundred eighty million, one hundred thirty thousand, two hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 542384053 1084768106 1627152159 3254304318 3796688371 7593376742 11390065113 22780130226