Search a number
-
+
6871074871 = 10764215653
BaseRepresentation
bin1100110011000110…
…00100100000110111
3122201212010202202111
412121203010200313
5103032443343441
63053450551451
7332162113153
oct63143044067
918655122674
106871074871
112a065a7281
1213b9138587
138566a579b
1449279a063
152a334e081
hex1998c4837

6871074871 has 4 divisors (see below), whose sum is σ = 6935290632. Its totient is φ = 6806859112.

The previous prime is 6871074869. The next prime is 6871074907. The reversal of 6871074871 is 1784701786.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6871074871 - 21 = 6871074869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6871074851) 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, 32107720 + ... + 32107933.

It is an arithmetic number, because the mean of its divisors is an integer number (1733822658).

Almost surely, 26871074871 is an apocalyptic number.

6871074871 is a deficient number, since it is larger than the sum of its proper divisors (64215761).

6871074871 is a wasteful number, since it uses less digits than its factorization.

6871074871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64215760.

The product of its (nonzero) digits is 526848, while the sum is 49.

The square root of 6871074871 is about 82891.9469610890. The cubic root of 6871074871 is about 1901.1142929103.

The spelling of 6871074871 in words is "six billion, eight hundred seventy-one million, seventy-four thousand, eight hundred seventy-one".

Divisors: 1 107 64215653 6871074871