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105001045505 = 551974040833
BaseRepresentation
bin110000111001010001…
…1001100111000000001
3101001000200222202222022
41201302203030320001
53210020231424010
6120123052451225
710405011106046
oct1416243147001
9331020882868
10105001045505
1140592397664
1218424779b15
139b94946175
1451213151cd
152ae82ead55
hex18728cce01

105001045505 has 8 divisors (see below), whose sum is σ = 126025530792. Its totient is φ = 83984652288.

The previous prime is 105001045433. The next prime is 105001045517. The reversal of 105001045505 is 505540100501.

It can be written as a sum of positive squares in 4 ways, for example, as 1847022529 + 103154022976 = 42977^2 + 321176^2 .

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 105001045505 - 28 = 105001045249 is a prime.

It is a super-2 number, since 2×1050010455052 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994432 + ... + 2046401.

It is an arithmetic number, because the mean of its divisors is an integer number (15753191349).

Almost surely, 2105001045505 is an apocalyptic number.

It is an amenable number.

105001045505 is a deficient number, since it is larger than the sum of its proper divisors (21024485287).

105001045505 is an equidigital number, since it uses as much as digits as its factorization.

105001045505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046035.

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 105001045505 in words is "one hundred five billion, one million, forty-five thousand, five hundred five".

Divisors: 1 5 5197 25985 4040833 20204165 21000209101 105001045505