Search a number
-
+
20112011102 = 271141633881
BaseRepresentation
bin10010101110110001…
…001110111101011110
31220220122022000121002
4102232301032331132
5312142133323402
613123410110302
71311252162611
oct225661167536
956818260532
1020112011102
118590784687
123a9357b392
131b869654b1
14d8b122178
157ca9e4602
hex4aec4ef5e

20112011102 has 8 divisors (see below), whose sum is σ = 30592918512. Its totient is φ = 9914371600.

The previous prime is 20112011099. The next prime is 20112011107. The reversal of 20112011102 is 20111021102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112011107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70816799 + ... + 70817082.

It is an arithmetic number, because the mean of its divisors is an integer number (3824114814).

Almost surely, 220112011102 is an apocalyptic number.

20112011102 is a deficient number, since it is larger than the sum of its proper divisors (10480907410).

20112011102 is a wasteful number, since it uses less digits than its factorization.

20112011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141633954.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20112011102 its reverse (20111021102), we get a palindrome (40223032204).

The spelling of 20112011102 in words is "twenty billion, one hundred twelve million, eleven thousand, one hundred two".

Divisors: 1 2 71 142 141633881 283267762 10056005551 20112011102