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6871260161 = 8382786267
BaseRepresentation
bin1100110011000111…
…10001110000000001
3122201212111011221002
412121203301300001
5103033020311121
63053454541345
7332163514313
oct63143616001
918655434832
106871260161
112a06713507
1213b9207855
1385673bc1c
144928077b3
152a3388e0b
hex1998f1c01

6871260161 has 4 divisors (see below), whose sum is σ = 6954046512. Its totient is φ = 6788473812.

The previous prime is 6871260139. The next prime is 6871260239. The reversal of 6871260161 is 1610621786.

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 6871260161 - 222 = 6867065857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6871260661) 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, 41393051 + ... + 41393216.

It is an arithmetic number, because the mean of its divisors is an integer number (1738511628).

Almost surely, 26871260161 is an apocalyptic number.

It is an amenable number.

6871260161 is a deficient number, since it is larger than the sum of its proper divisors (82786351).

6871260161 is an equidigital number, since it uses as much as digits as its factorization.

6871260161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82786350.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 6871260161 is about 82893.0646133921. The cubic root of 6871260161 is about 1901.1313816632.

The spelling of 6871260161 in words is "six billion, eight hundred seventy-one million, two hundred sixty thousand, one hundred sixty-one".

Divisors: 1 83 82786267 6871260161