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8682641593 = 37972419237
BaseRepresentation
bin10000001011000011…
…01001100010111001
3211102002220220010021
420011201221202321
5120240224012333
63553323050441
7425110143613
oct100541514271
924362826107
108682641593
11375614115a
121823970a21
13a84ab5562
145c5203db3
1535c3de82d
hex2058698b9

8682641593 has 8 divisors (see below), whose sum is σ = 9009242312. Its totient is φ = 8360879616.

The previous prime is 8682641579. The next prime is 8682641599. The reversal of 8682641593 is 3951462868.

It can be written as a sum of positive squares in 4 ways, for example, as 604766464 + 8077875129 = 24592^2 + 89877^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8682641593 - 221 = 8680544441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8682641593.

It is not an unprimeable number, because it can be changed into a prime (8682641599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206030 + ... + 1213207.

It is an arithmetic number, because the mean of its divisors is an integer number (1126155289).

Almost surely, 28682641593 is an apocalyptic number.

It is an amenable number.

8682641593 is a deficient number, since it is larger than the sum of its proper divisors (326600719).

8682641593 is a wasteful number, since it uses less digits than its factorization.

8682641593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419371.

The product of its digits is 2488320, while the sum is 52.

The square root of 8682641593 is about 93180.6932416796. The cubic root of 8682641593 is about 2055.3413429666.

The spelling of 8682641593 in words is "eight billion, six hundred eighty-two million, six hundred forty-one thousand, five hundred ninety-three".

Divisors: 1 37 97 3589 2419237 89511769 234665989 8682641593