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105238805183 = 199528838217
BaseRepresentation
bin110001000000010111…
…0001011101010111111
3101001122021101012221022
41202000232023222333
53211012113231213
6120202424454355
710413626041001
oct1420056135277
9331567335838
10105238805183
11406a461aa66
121849031a3bb
139c01c91375
145144b26371
152b0e113308
hex1880b8babf

105238805183 has 4 divisors (see below), whose sum is σ = 105767643600. Its totient is φ = 104709966768.

The previous prime is 105238805179. The next prime is 105238805197. The reversal of 105238805183 is 381508832501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105238805183 - 22 = 105238805179 is a prime.

It is a super-2 number, since 2×1052388051832 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105238805153) 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, 264418910 + ... + 264419307.

It is an arithmetic number, because the mean of its divisors is an integer number (26441910900).

Almost surely, 2105238805183 is an apocalyptic number.

105238805183 is a deficient number, since it is larger than the sum of its proper divisors (528838417).

105238805183 is an equidigital number, since it uses as much as digits as its factorization.

105238805183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528838416.

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 105238805183 in words is "one hundred five billion, two hundred thirty-eight million, eight hundred five thousand, one hundred eighty-three".

Divisors: 1 199 528838217 105238805183