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6887313774 = 23211229151897
BaseRepresentation
bin1100110101000010…
…00001000101101110
3122202222200210100100
412122201001011232
5103101123020044
63055231011530
7332450125665
oct63241010556
918688623310
106887313774
112a14788860
121402669ba6
13859b6ccc3
144949c5ddc
152a49aa869
hex19a84116e

6887313774 has 48 divisors (see below), whose sum is σ = 16350300720. Its totient is φ = 2077937280.

The previous prime is 6887313739. The next prime is 6887313799. The reversal of 6887313774 is 4773137886.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6887313774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30607 + ... + 121290.

It is an arithmetic number, because the mean of its divisors is an integer number (340631265).

Almost surely, 26887313774 is an apocalyptic number.

6887313774 is an abundant number, since it is smaller than the sum of its proper divisors (9462986946).

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

6887313774 is a wasteful number, since it uses less digits than its factorization.

6887313774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152145 (or 152142 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 6887313774 is about 82989.8413903774. The cubic root of 6887313774 is about 1902.6107944223.

The spelling of 6887313774 in words is "six billion, eight hundred eighty-seven million, three hundred thirteen thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 229 458 687 1374 2061 2519 4122 5038 7557 15114 22671 45342 151897 303794 455691 911382 1367073 1670867 2734146 3341734 5012601 10025202 15037803 30075606 34784413 69568826 104353239 208706478 313059717 382628543 626119434 765257086 1147885629 2295771258 3443656887 6887313774