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2131705041 = 3710568347
BaseRepresentation
bin111111100001111…
…0011110011010001
312111120011211120120
41333003303303101
513331204030131
6551305500453
7103553123334
oct17703636321
95446154516
102131705041
119a4323604
124b5aa1729
1327c83bc3b
1416318061b
15c722b496
hex7f0f3cd1

2131705041 has 4 divisors (see below), whose sum is σ = 2842273392. Its totient is φ = 1421136692.

The previous prime is 2131705007. The next prime is 2131705061. The reversal of 2131705041 is 1405071312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2131705041 - 215 = 2131672273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131705061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355284171 + ... + 355284176.

It is an arithmetic number, because the mean of its divisors is an integer number (710568348).

Almost surely, 22131705041 is an apocalyptic number.

It is an amenable number.

2131705041 is a deficient number, since it is larger than the sum of its proper divisors (710568351).

2131705041 is an equidigital number, since it uses as much as digits as its factorization.

2131705041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710568350.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 2131705041 is about 46170.3913888544. The cubic root of 2131705041 is about 1286.9915754935.

Adding to 2131705041 its reverse (1405071312), we get a palindrome (3536776353).

The spelling of 2131705041 in words is "two billion, one hundred thirty-one million, seven hundred five thousand, forty-one".

Divisors: 1 3 710568347 2131705041