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110868021 = 3511193759
BaseRepresentation
bin1101001101110…
…11011000110101
321201121200100000
412212323120311
5211340234041
615000141513
72514235245
oct646733065
9251550300
10110868021
1157644870
1231167899
1319c7a4a4
1410a1db25
159aeebb6
hex69bb635

110868021 has 96 divisors (see below), whose sum is σ = 199180800. Its totient is φ = 60886080.

The previous prime is 110868019. The next prime is 110868041. The reversal of 110868021 is 120868011.

It is not a de Polignac number, because 110868021 - 21 = 110868019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110868041) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1879090 + ... + 1879148.

It is an arithmetic number, because the mean of its divisors is an integer number (2074800).

Almost surely, 2110868021 is an apocalyptic number.

110868021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110868021 is a deficient number, since it is larger than the sum of its proper divisors (88312779).

110868021 is a wasteful number, since it uses less digits than its factorization.

110868021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 110868021 is about 10529.3884437796. The cubic root of 110868021 is about 480.3990041699.

The spelling of 110868021 in words is "one hundred ten million, eight hundred sixty-eight thousand, twenty-one".

Divisors: 1 3 9 11 19 27 33 37 57 59 81 99 111 171 177 209 243 297 333 407 513 531 627 649 703 891 999 1121 1221 1539 1593 1881 1947 2109 2183 2673 2997 3363 3663 4617 4779 5643 5841 6327 6549 7733 8991 10089 10989 12331 14337 16929 17523 18981 19647 23199 24013 30267 32967 36993 41477 50787 52569 56943 58941 69597 72039 90801 98901 110979 124431 157707 170829 176823 208791 216117 272403 332937 373293 456247 530469 626373 648351 998811 1119879 1368741 1879119 1945053 2996433 3359637 4106223 5835159 10078911 12318669 36956007 110868021