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8197712814 = 231366285469
BaseRepresentation
bin1111010001001111…
…10010101110101110
3210011022102221220010
413220213302232232
5113242103302224
63433241234050
7410101260234
oct75047625656
923138387803
108197712814
113527438a75
121709492926
13a084a9355
1457aa52954
1532ea51e29
hex1e89f2bae

8197712814 has 8 divisors (see below), whose sum is σ = 16395425640. Its totient is φ = 2732570936.

The previous prime is 8197712807. The next prime is 8197712821. The reversal of 8197712814 is 4182177918.

It is an interprime number because it is at equal distance from previous prime (8197712807) and next prime (8197712821).

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

8197712814 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683142729 + ... + 683142740.

It is an arithmetic number, because the mean of its divisors is an integer number (2049428205).

Almost surely, 28197712814 is an apocalyptic number.

8197712814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8197712814 is a wasteful number, since it uses less digits than its factorization.

8197712814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366285474.

The product of its digits is 225792, while the sum is 48.

The square root of 8197712814 is about 90541.2216286041. The cubic root of 8197712814 is about 2016.3421708553.

The spelling of 8197712814 in words is "eight billion, one hundred ninety-seven million, seven hundred twelve thousand, eight hundred fourteen".

Divisors: 1 2 3 6 1366285469 2732570938 4098856407 8197712814