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8711323685 = 517611680101
BaseRepresentation
bin10000001110011110…
…00100000000100101
3211111002220002112222
420013033010000211
5120320044324220
64000225522125
7425606013101
oct100717040045
924432802488
108711323685
113770351469
1218314a3345
13a8aa186cc
145c8d4c901
1535eba7e25
hex2073c4025

8711323685 has 16 divisors (see below), whose sum is σ = 11249962992. Its totient is φ = 6451584000.

The previous prime is 8711323679. The next prime is 8711323693. The reversal of 8711323685 is 5863231178.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 950242276 + 7761081409 = 30826^2 + 88097^2 .

It is not a de Polignac number, because 8711323685 - 214 = 8711307301 is a prime.

It is a super-4 number, since 4×87113236854 (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834866 + ... + 845235.

It is an arithmetic number, because the mean of its divisors is an integer number (703122687).

Almost surely, 28711323685 is an apocalyptic number.

8711323685 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8711323685 is a deficient number, since it is larger than the sum of its proper divisors (2538639307).

8711323685 is a wasteful number, since it uses less digits than its factorization.

8711323685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680184.

The product of its digits is 241920, while the sum is 44.

The square root of 8711323685 is about 93334.4721150765. The cubic root of 8711323685 is about 2057.6020487902.

The spelling of 8711323685 in words is "eight billion, seven hundred eleven million, three hundred twenty-three thousand, six hundred eighty-five".

Divisors: 1 5 17 61 85 305 1037 5185 1680101 8400505 28561717 102486161 142808585 512430805 1742264737 8711323685