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105200316761 = 531984911637
BaseRepresentation
bin110000111111001101…
…1010111000101011001
3101001112120221210202012
41201332123113011121
53210422240114021
6120154531515305
710412650636601
oct1417633270531
9331476853665
10105200316761
1140684922051
121847b458b35
139bc7006857
14513d987c01
152b0aa5e35b
hex187e6d7159

105200316761 has 4 divisors (see below), whose sum is σ = 107185228452. Its totient is φ = 103215405072.

The previous prime is 105200316757. The next prime is 105200316779. The reversal of 105200316761 is 167613002501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37347881536 + 67852435225 = 193256^2 + 260485^2 .

It is a cyclic number.

It is not a de Polignac number, because 105200316761 - 22 = 105200316757 is a prime.

It is a super-2 number, since 2×1052003167612 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105200316721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992455766 + ... + 992455871.

It is an arithmetic number, because the mean of its divisors is an integer number (26796307113).

Almost surely, 2105200316761 is an apocalyptic number.

It is an amenable number.

105200316761 is a deficient number, since it is larger than the sum of its proper divisors (1984911691).

105200316761 is an equidigital number, since it uses as much as digits as its factorization.

105200316761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984911690.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 105200316761 in words is "one hundred five billion, two hundred million, three hundred sixteen thousand, seven hundred sixty-one".

Divisors: 1 53 1984911637 105200316761