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20131103222 = 250320011037
BaseRepresentation
bin10010101111111010…
…000100000111110110
31220221222020000001122
4102233322010013312
5312212030300342
613125331223542
71311603361016
oct225772040766
956858200048
1020131103222
1185a053489a
123a99a47bb2
131b8a8bb5c9
14d8d891c46
157cc5164d2
hex4afe841f6

20131103222 has 8 divisors (see below), whose sum is σ = 30256689456. Its totient is φ = 10045540072.

The previous prime is 20131103221. The next prime is 20131103249. The reversal of 20131103222 is 22230113102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×201311032222 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20131103222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131103221) 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 3 ways as a sum of consecutive naturals, for example, 10004513 + ... + 10006524.

It is an arithmetic number, because the mean of its divisors is an integer number (3782086182).

Almost surely, 220131103222 is an apocalyptic number.

20131103222 is a deficient number, since it is larger than the sum of its proper divisors (10125586234).

20131103222 is a wasteful number, since it uses less digits than its factorization.

20131103222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20011542.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20131103222 its reverse (22230113102), we get a palindrome (42361216324).

The spelling of 20131103222 in words is "twenty billion, one hundred thirty-one million, one hundred three thousand, two hundred twenty-two".

Divisors: 1 2 503 1006 20011037 40022074 10065551611 20131103222