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8081641334 = 213310832359
BaseRepresentation
bin1111000011011010…
…00000111101110110
3202212020000220202102
413201231000331312
5113022400010314
63413533342102
7404161550354
oct74155007566
922766026672
108081641334
11347796a828
121696637932
139ba4295c0
1456947a7d4
153247755de
hex1e1b40f76

8081641334 has 8 divisors (see below), whose sum is σ = 13054959120. Its totient is φ = 3729988296.

The previous prime is 8081641331. The next prime is 8081641349. The reversal of 8081641334 is 4331461808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081641331) 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, 155416154 + ... + 155416205.

It is an arithmetic number, because the mean of its divisors is an integer number (1631869890).

Almost surely, 28081641334 is an apocalyptic number.

8081641334 is a deficient number, since it is larger than the sum of its proper divisors (4973317786).

8081641334 is a wasteful number, since it uses less digits than its factorization.

8081641334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310832374.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 8081641334 is about 89897.9495539248. The cubic root of 8081641334 is about 2006.7804313979.

The spelling of 8081641334 in words is "eight billion, eighty-one million, six hundred forty-one thousand, three hundred thirty-four".

Divisors: 1 2 13 26 310832359 621664718 4040820667 8081641334