Search a number
-
+
105552304345 = 561346073129
BaseRepresentation
bin110001001001101101…
…0000101100011011001
3101002110010021121221101
41202103122011203121
53212132342214340
6120253504111401
710424453532505
oct1422332054331
9332403247841
10105552304345
1140845584584
1218559305561
139c51c07627
145174611305
152b2b8dbc9a
hex18936858d9

105552304345 has 8 divisors (see below), whose sum is σ = 128739204360. Its totient is φ = 83057550720.

The previous prime is 105552304339. The next prime is 105552304349. The reversal of 105552304345 is 543403255501.

It can be written as a sum of positive squares in 4 ways, for example, as 431102169 + 105121202176 = 20763^2 + 324224^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105552304345 - 213 = 105552296153 is a prime.

It is a super-2 number, since 2×1055523043452 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105552304349) 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 7 ways as a sum of consecutive naturals, for example, 173036260 + ... + 173036869.

It is an arithmetic number, because the mean of its divisors is an integer number (16092400545).

Almost surely, 2105552304345 is an apocalyptic number.

It is an amenable number.

105552304345 is a deficient number, since it is larger than the sum of its proper divisors (23186900015).

105552304345 is an equidigital number, since it uses as much as digits as its factorization.

105552304345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346073195.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 105552304345 its reverse (543403255501), we get a palindrome (648955559846).

The spelling of 105552304345 in words is "one hundred five billion, five hundred fifty-two million, three hundred four thousand, three hundred forty-five".

Divisors: 1 5 61 305 346073129 1730365645 21110460869 105552304345