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105250340423 = 194954002227
BaseRepresentation
bin110001000000101101…
…0001011111001000111
3101001200002002021022102
41202001122023321013
53211023041343143
6120203520022315
710414126063304
oct1420132137107
9331602067272
10105250340423
1140700089618
121849416199b
139c0449c957
14514648a0ab
152b101410b8
hex188168be47

105250340423 has 4 divisors (see below), whose sum is σ = 105304344600. Its totient is φ = 105196336248.

The previous prime is 105250340399. The next prime is 105250340501. The reversal of 105250340423 is 324043052501.

It is a happy number.

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 105250340423 - 26 = 105250340359 is a prime.

It is a super-3 number, since 3×1052503404233 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105250340023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26999165 + ... + 27003062.

It is an arithmetic number, because the mean of its divisors is an integer number (26326086150).

Almost surely, 2105250340423 is an apocalyptic number.

105250340423 is a deficient number, since it is larger than the sum of its proper divisors (54004177).

105250340423 is an equidigital number, since it uses as much as digits as its factorization.

105250340423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54004176.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 105250340423 its reverse (324043052501), we get a palindrome (429293392924).

The spelling of 105250340423 in words is "one hundred five billion, two hundred fifty million, three hundred forty thousand, four hundred twenty-three".

Divisors: 1 1949 54002227 105250340423