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6906928086 = 2322935936857
BaseRepresentation
bin1100110111010111…
…10101101111010110
3122211100121022010100
412123223311233112
5103121133144321
63101211234530
7333105630402
oct63353655726
918740538110
106906928086
112a24865333
121409148a46
13860c499c6
14497450102
152a6582326
hex19baf5bd6

6906928086 has 48 divisors (see below), whose sum is σ = 15524589600. Its totient is φ = 2216667264.

The previous prime is 6906928033. The next prime is 6906928087. The reversal of 6906928086 is 6808296096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6906928087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168970 + ... + 205826.

It is an arithmetic number, because the mean of its divisors is an integer number (323428950).

Almost surely, 26906928086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6906928086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7762294800).

6906928086 is an abundant number, since it is smaller than the sum of its proper divisors (8617661514).

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

6906928086 is a wasteful number, since it uses less digits than its factorization.

6906928086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37253 (or 37250 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 6906928086 is about 83107.9303436200. The cubic root of 6906928086 is about 1904.4152246481.

The spelling of 6906928086 in words is "six billion, nine hundred six million, nine hundred twenty-eight thousand, eighty-six".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 359 522 718 1077 2154 3231 6462 10411 20822 31233 36857 62466 73714 93699 110571 187398 221142 331713 663426 1068853 2137706 3206559 6413118 9619677 13231663 19239354 26463326 39694989 79389978 119084967 238169934 383718227 767436454 1151154681 2302309362 3453464043 6906928086