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111230130 = 23511418221
BaseRepresentation
bin1101010000100…
…11110010110010
321202022002001110
412220103302302
5211433331010
615012014150
72520304044
oct650236262
9252262043
10111230130
1157871930
1231301356
131a07625b
1410ab5a94
159b72120
hex6a13cb2

111230130 has 64 divisors (see below), whose sum is σ = 298359936. Its totient is φ = 26304000.

The previous prime is 111230129. The next prime is 111230131. The reversal of 111230130 is 31032111.

It is an interprime number because it is at equal distance from previous prime (111230129) and next prime (111230131).

It is not an unprimeable number, because it can be changed into a prime (111230131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9420 + ... + 17640.

It is an arithmetic number, because the mean of its divisors is an integer number (4661874).

Almost surely, 2111230130 is an apocalyptic number.

111230130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111230130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149179968).

111230130 is an abundant number, since it is smaller than the sum of its proper divisors (187129806).

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

111230130 is a wasteful number, since it uses less digits than its factorization.

111230130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8283.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 111230130 is about 10546.5695844668. The cubic root of 111230130 is about 480.9214504564.

Adding to 111230130 its reverse (31032111), we get a palindrome (142262241).

The spelling of 111230130 in words is "one hundred eleven million, two hundred thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 41 55 66 82 110 123 165 205 246 330 410 451 615 902 1230 1353 2255 2706 4510 6765 8221 13530 16442 24663 41105 49326 82210 90431 123315 180862 246630 271293 337061 452155 542586 674122 904310 1011183 1356465 1685305 2022366 2712930 3370610 3707671 5055915 7415342 10111830 11123013 18538355 22246026 37076710 55615065 111230130