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105803386388 = 2277947831549
BaseRepresentation
bin110001010001001011…
…1111000111000010100
3101010002121201220202022
41202202113320320110
53213141131331023
6120334433432312
710433622642230
oct1424227707024
9333077656668
10105803386388
11409642871a7
121860940b698
139c91c3869b
145199acd5c0
152b439867c8
hex18a25f8e14

105803386388 has 24 divisors (see below), whose sum is σ = 214285344000. Its totient is φ = 44770328928.

The previous prime is 105803386369. The next prime is 105803386393. The reversal of 105803386388 is 883683308501.

It is a super-2 number, since 2×1058033863882 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23913563 + ... + 23917986.

It is an arithmetic number, because the mean of its divisors is an integer number (8928556000).

Almost surely, 2105803386388 is an apocalyptic number.

It is an amenable number.

105803386388 is an abundant number, since it is smaller than the sum of its proper divisors (108481957612).

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

105803386388 is a wasteful number, since it uses less digits than its factorization.

105803386388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47831639 (or 47831637 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 105803386388 in words is "one hundred five billion, eight hundred three million, three hundred eighty-six thousand, three hundred eighty-eight".

Divisors: 1 2 4 7 14 28 79 158 316 553 1106 2212 47831549 95663098 191326196 334820843 669641686 1339283372 3778692371 7557384742 15114769484 26450846597 52901693194 105803386388