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8111828688 = 2431950317683
BaseRepresentation
bin1111000111000000…
…01010111011010000
3202221022211121000120
413203200022323100
5113103112004223
63420532350240
7405006256215
oct74340127320
922838747016
108111828688
113492a08a57
1216a4775380
139c3768942
1456d497b0c
15327239be3
hex1e380aed0

8111828688 has 80 divisors (see below), whose sum is σ = 22103585280. Its totient is φ = 2556392832.

The previous prime is 8111828677. The next prime is 8111828713. The reversal of 8111828688 is 8868281118.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 8111828688.

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, 449895 + ... + 467577.

It is an arithmetic number, because the mean of its divisors is an integer number (276294816).

Almost surely, 28111828688 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 8111828688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11051792640).

8111828688 is an abundant number, since it is smaller than the sum of its proper divisors (13991756592).

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

8111828688 is a wasteful number, since it uses less digits than its factorization.

8111828688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18216 (or 18210 counting only the distinct ones).

The product of its digits is 393216, while the sum is 51.

The square root of 8111828688 is about 90065.6909594325. The cubic root of 8111828688 is about 2009.2759690212.

The spelling of 8111828688 in words is "eight billion, one hundred eleven million, eight hundred twenty-eight thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 503 912 1006 1509 2012 3018 4024 6036 8048 9557 12072 17683 19114 24144 28671 35366 38228 53049 57342 70732 76456 106098 114684 141464 152912 212196 229368 282928 335977 424392 458736 671954 848784 1007931 1343908 2015862 2687816 4031724 5375632 8063448 8894549 16126896 17789098 26683647 35578196 53367294 71156392 106734588 142312784 168996431 213469176 337992862 426938352 506989293 675985724 1013978586 1351971448 2027957172 2703942896 4055914344 8111828688