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105432045243 = 3729173123227
BaseRepresentation
bin110001000110000111…
…1010101011010111011
3101002010201222211110120
41202030033111122323
53211411100421433
6120233530344323
710421463412050
oct1421417253273
9332121884416
10105432045243
1140793706098
1218524b8b0a3
139c3301c7b5
145162669027
152b210847b3
hex188c3d56bb

105432045243 has 16 divisors (see below), whose sum is σ = 166198298880. Its totient is φ = 58169403936.

The previous prime is 105432045233. The next prime is 105432045307. The reversal of 105432045243 is 342540234501.

It is not a de Polignac number, because 105432045243 - 26 = 105432045179 is a prime.

It is a super-2 number, since 2×1054320452432 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105432045233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86561005 + ... + 86562222.

It is an arithmetic number, because the mean of its divisors is an integer number (10387393680).

Almost surely, 2105432045243 is an apocalyptic number.

105432045243 is a deficient number, since it is larger than the sum of its proper divisors (60766253637).

105432045243 is a wasteful number, since it uses less digits than its factorization.

105432045243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173123266.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 105432045243 its reverse (342540234501), we get a palindrome (447972279744).

The spelling of 105432045243 in words is "one hundred five billion, four hundred thirty-two million, forty-five thousand, two hundred forty-three".

Divisors: 1 3 7 21 29 87 203 609 173123227 519369681 1211862589 3635587767 5020573583 15061720749 35144015081 105432045243