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2065344131 = 17509117959
BaseRepresentation
bin111101100011010…
…1010011010000011
312022221022100112002
41323012222122003
513212212003011
6540535254215
7102116064314
oct17306523203
95287270462
102065344131
1196a918684
1249781a36b
1326bb75926
1415842860b
15c14bdc3b
hex7b1aa683

2065344131 has 4 divisors (see below), whose sum is σ = 2065479600. Its totient is φ = 2065208664.

The previous prime is 2065344119. The next prime is 2065344167. The reversal of 2065344131 is 1314435602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2065344131 is a prime.

It is a super-2 number, since 2×20653441312 = 8531292758912290322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2065344094 and 2065344103.

It is not an unprimeable number, because it can be changed into a prime (2065344101) 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, 41471 + ... + 76488.

It is an arithmetic number, because the mean of its divisors is an integer number (516369900).

Almost surely, 22065344131 is an apocalyptic number.

2065344131 is a deficient number, since it is larger than the sum of its proper divisors (135469).

2065344131 is a wasteful number, since it uses less digits than its factorization.

2065344131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135468.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2065344131 is about 45446.0573757504. The cubic root of 2065344131 is about 1273.4956767342.

Adding to 2065344131 its reverse (1314435602), we get a palindrome (3379779733).

The spelling of 2065344131 in words is "two billion, sixty-five million, three hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 17509 117959 2065344131