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6830561892 = 22371113753959
BaseRepresentation
bin1100101110010001…
…00001101001100100
3122122000220111101210
412113020201221210
5102442110440032
63045442351420
7331160550420
oct62710415144
918560814353
106830561892
112995746280
1213a765b570
1384b18c5cb
1448b251b80
1529e9ea2cc
hex197221a64

6830561892 has 96 divisors (see below), whose sum is σ = 20016138240. Its totient is φ = 1761189120.

The previous prime is 6830561879. The next prime is 6830561909. The reversal of 6830561892 is 2981650386.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99609 + ... + 153567.

It is an arithmetic number, because the mean of its divisors is an integer number (208501440).

Almost surely, 26830561892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6830561892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10008069120).

6830561892 is an abundant number, since it is smaller than the sum of its proper divisors (13185576348).

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

6830561892 is a wasteful number, since it uses less digits than its factorization.

6830561892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54121 (or 54119 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 6830561892 is about 82647.2134557482. The cubic root of 6830561892 is about 1897.3704985038.

The spelling of 6830561892 in words is "six billion, eight hundred thirty million, five hundred sixty-one thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 137 154 231 274 308 411 462 548 822 924 959 1507 1644 1918 2877 3014 3836 4521 5754 6028 9042 10549 11508 18084 21098 31647 42196 53959 63294 107918 126588 161877 215836 323754 377713 593549 647508 755426 1133139 1187098 1510852 1780647 2266278 2374196 3561294 4154843 4532556 7122588 7392383 8309686 12464529 14784766 16619372 22177149 24929058 29569532 44354298 49858116 51746681 81316213 88708596 103493362 155240043 162632426 206986724 243948639 310480086 325264852 487897278 569213491 620960172 975794556 1138426982 1707640473 2276853964 3415280946 6830561892