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61101101050 = 25211111092911
BaseRepresentation
bin111000111001111010…
…001100111111111010
312211201020111112102121
4320321322030333322
52000113340213200
644023000351454
74262066534563
oct707172147772
9184636445377
1061101101050
1123a04a84630
12ba1277558a
1359b9905082
142d58bdb16a
1518c9254e1a
hexe39e8cffa

61101101050 has 24 divisors (see below), whose sum is σ = 123979689792. Its totient is φ = 22218582000.

The previous prime is 61101100997. The next prime is 61101101057. The reversal of 61101101050 is 5010110116.

It is a super-2 number, since 2×611011010502 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61101101057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55545906 + ... + 55547005.

It is an arithmetic number, because the mean of its divisors is an integer number (5165820408).

Almost surely, 261101101050 is an apocalyptic number.

61101101050 is an abundant number, since it is smaller than the sum of its proper divisors (62878588742).

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

61101101050 is a wasteful number, since it uses less digits than its factorization.

61101101050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111092934 (or 111092929 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 61101101050 its reverse (5010110116), we get a palindrome (66111211166).

The spelling of 61101101050 in words is "sixty-one billion, one hundred one million, one hundred one thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 111092911 222185822 555464555 1110929110 1222022021 2444044042 2777322775 5554645550 6110110105 12220220210 30550550525 61101101050