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105006056005 = 5197106605133
BaseRepresentation
bin110000111001011011…
…0010100001001000101
3101001001001102100002101
41201302312110021011
53210023022243010
6120123352112101
710405101514654
oct1416266241105
9331031370071
10105006056005
11405951aa074
1218426395631
139b959ab966
145121c5b19b
152ae898a73a
hex1872d94245

105006056005 has 8 divisors (see below), whose sum is σ = 126646899192. Its totient is φ = 83578423488.

The previous prime is 105006055993. The next prime is 105006056009. The reversal of 105006056005 is 500650600501.

It can be written as a sum of positive squares in 4 ways, for example, as 75894189121 + 29111866884 = 275489^2 + 170622^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 105006056005 - 213 = 105006047813 is a prime.

It is a super-2 number, since 2×1050060560052 (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 (105006056009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53301582 + ... + 53303551.

It is an arithmetic number, because the mean of its divisors is an integer number (15830862399).

Almost surely, 2105006056005 is an apocalyptic number.

It is an amenable number.

105006056005 is a deficient number, since it is larger than the sum of its proper divisors (21640843187).

105006056005 is a wasteful number, since it uses less digits than its factorization.

105006056005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106605335.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 105006056005 its reverse (500650600501), we get a palindrome (605656656506).

The spelling of 105006056005 in words is "one hundred five billion, six million, fifty-six thousand, five".

Divisors: 1 5 197 985 106605133 533025665 21001211201 105006056005