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6886734688 = 25215210459
BaseRepresentation
bin1100110100111101…
…10011101101100000
3122202221121100222201
412122132303231200
5103101001002223
63055210342544
7332442164461
oct63236635540
918687540881
106886734688
112a14422779
12140242aa54
138599c9552
144948b4d68
152a48e3ead
hex19a7b3b60

6886734688 has 12 divisors (see below), whose sum is σ = 13558258980. Its totient is φ = 3443367328.

The previous prime is 6886734677. The next prime is 6886734733. The reversal of 6886734688 is 8864376886.

It is a super-2 number, since 2×68867346882 = 94854229325804914688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107605198 + ... + 107605261.

It is an arithmetic number, because the mean of its divisors is an integer number (1129854915).

Almost surely, 26886734688 is an apocalyptic number.

It is an amenable number.

6886734688 is a deficient number, since it is larger than the sum of its proper divisors (6671524292).

6886734688 is a wasteful number, since it uses less digits than its factorization.

6886734688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215210469 (or 215210461 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 64.

The square root of 6886734688 is about 82986.3524201420. The cubic root of 6886734688 is about 1902.5574690286.

It can be divided in two parts, 688 and 6734688, that added together give a palindrome (6735376).

The spelling of 6886734688 in words is "six billion, eight hundred eighty-six million, seven hundred thirty-four thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 32 215210459 430420918 860841836 1721683672 3443367344 6886734688