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112103130 = 23531149809
BaseRepresentation
bin1101010111010…
…00111011011010
321210221102120210
412223220323122
5212144300010
615042431550
72530601166
oct653507332
9253842523
10112103130
1158308817
12316625b6
131a2c0719
1410c61ca6
159c95b20
hex6ae8eda

112103130 has 64 divisors (see below), whose sum is σ = 279936000. Its totient is φ = 28700160.

The previous prime is 112103113. The next prime is 112103137. The reversal of 112103130 is 31301211.

It is a super-2 number, since 2×1121031302 = 25134223511593800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112103137) 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, 138166 + ... + 138974.

It is an arithmetic number, because the mean of its divisors is an integer number (4374000).

Almost surely, 2112103130 is an apocalyptic number.

112103130 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 112103130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139968000).

112103130 is an abundant number, since it is smaller than the sum of its proper divisors (167832870).

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

112103130 is a wasteful number, since it uses less digits than its factorization.

112103130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999.

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

The square root of 112103130 is about 10587.8765576484. The cubic root of 112103130 is about 482.1763586206.

Adding to 112103130 its reverse (31301211), we get a palindrome (143404341).

The spelling of 112103130 in words is "one hundred twelve million, one hundred three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 149 155 186 298 310 447 465 745 809 894 930 1490 1618 2235 2427 4045 4470 4619 4854 8090 9238 12135 13857 23095 24270 25079 27714 46190 50158 69285 75237 120541 125395 138570 150474 241082 250790 361623 376185 602705 723246 752370 1205410 1808115 3616230 3736771 7473542 11210313 18683855 22420626 37367710 56051565 112103130