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2668199160 = 23351116312401
BaseRepresentation
bin1001111100001001…
…0111110011111000
320212221200120011010
42133002113303320
520431024333120
61120432433520
7123056214204
oct23702276370
96787616133
102668199160
11114a146580
126256a88a0
13336a30b93
141b4515b04
151093a27e0
hex9f097cf8

2668199160 has 128 divisors (see below), whose sum is σ = 8786568960. Its totient is φ = 642816000.

The previous prime is 2668199159. The next prime is 2668199161. The reversal of 2668199160 is 619918662.

It is an interprime number because it is at equal distance from previous prime (2668199159) and next prime (2668199161).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668199161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208960 + ... + 221360.

It is an arithmetic number, because the mean of its divisors is an integer number (68645070).

Almost surely, 22668199160 is an apocalyptic number.

2668199160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2668199160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4393284480).

2668199160 is an abundant number, since it is smaller than the sum of its proper divisors (6118369800).

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

2668199160 is a wasteful number, since it uses less digits than its factorization.

2668199160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12589 (or 12585 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 2668199160 is about 51654.6141211025. The cubic root of 2668199160 is about 1386.9881407131.

It can be divided in two parts, 26 and 68199160, that added together give a palindrome (68199186).

The spelling of 2668199160 in words is "two billion, six hundred sixty-eight million, one hundred ninety-nine thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 163 165 220 264 326 330 440 489 652 660 815 978 1304 1320 1630 1793 1956 2445 3260 3586 3912 4890 5379 6520 7172 8965 9780 10758 12401 14344 17930 19560 21516 24802 26895 35860 37203 43032 49604 53790 62005 71720 74406 99208 107580 124010 136411 148812 186015 215160 248020 272822 297624 372030 409233 496040 545644 682055 744060 818466 1091288 1364110 1488120 1636932 2021363 2046165 2728220 3273864 4042726 4092330 5456440 6064089 8085452 8184660 10106815 12128178 16170904 16369320 20213630 22234993 24256356 30320445 40427260 44469986 48512712 60640890 66704979 80854520 88939972 111174965 121281780 133409958 177879944 222349930 242563560 266819916 333524895 444699860 533639832 667049790 889399720 1334099580 2668199160