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111230020200 = 233521328591277
BaseRepresentation
bin110011110010111010…
…0110110101001101000
3101122002210220110212210
41213211310312221220
53310244341121300
6123033125205120
711015245400115
oct1474564665150
9348083813783
10111230020200
11431994a0532
12196828607a0
13a6482a2600
1455526c990c
152d600b3050
hex19e5d36a68

111230020200 has 288 divisors, whose sum is σ = 374104850400. Its totient is φ = 27326407680.

The previous prime is 111230020141. The next prime is 111230020201. The reversal of 111230020200 is 2020032111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (111230020201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 87101962 + ... + 87103238.

It is an arithmetic number, because the mean of its divisors is an integer number (1298975175).

Almost surely, 2111230020200 is an apocalyptic number.

111230020200 is a gapful number since it is divisible by the number (10) 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 111230020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187052425200).

111230020200 is an abundant number, since it is smaller than the sum of its proper divisors (262874830200).

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

111230020200 is a wasteful number, since it uses less digits than its factorization.

111230020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 111230020200 its reverse (2020032111), we get a palindrome (113250052311).

The spelling of 111230020200 in words is "one hundred eleven billion, two hundred thirty million, twenty thousand, two hundred".