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20112113300 = 2252201121133
BaseRepresentation
bin10010101110110001…
…100111111010010100
31220220122111012210012
4102232301213322110
5312142200111200
613123412215352
71311253066556
oct225661477224
956818435705
1020112113300
118590844444
123a9360a558
131b8699cb76
14d8b14b4d6
157caa14a35
hex4aec67e94

20112113300 has 18 divisors (see below), whose sum is σ = 43643286078. Its totient is φ = 8044845280.

The previous prime is 20112113299. The next prime is 20112113311. The reversal of 20112113300 is 331121102.

It can be written as a sum of positive squares in 3 ways, for example, as 4249214596 + 15862898704 = 65186^2 + 125948^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100560467 + ... + 100560666.

Almost surely, 220112113300 is an apocalyptic number.

20112113300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112113300 is an abundant number, since it is smaller than the sum of its proper divisors (23531172778).

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

20112113300 is a wasteful number, since it uses less digits than its factorization.

20112113300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201121147 (or 201121140 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20112113300 its reverse (331121102), we get a palindrome (20443234402).

The spelling of 20112113300 in words is "twenty billion, one hundred twelve million, one hundred thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 201121133 402242266 804484532 1005605665 2011211330 4022422660 5028028325 10056056650 20112113300