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112020201 = 3237336397
BaseRepresentation
bin1101010110101…
…00101011101001
321210210012211100
412223110223221
5212134121301
615040552013
72530104336
oct653245351
9253705740
10112020201
1158261487
1231622609
131a291a57
1410c3d98d
159c7b286
hex6ad4ae9

112020201 has 12 divisors (see below), whose sum is σ = 166180612. Its totient is φ = 72661536.

The previous prime is 112020199. The next prime is 112020221. The reversal of 112020201 is 102020211.

It can be written as a sum of positive squares in 2 ways, for example, as 106502400 + 5517801 = 10320^2 + 2349^2 .

It is not a de Polignac number, because 112020201 - 21 = 112020199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112020221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167866 + ... + 168531.

Almost surely, 2112020201 is an apocalyptic number.

It is an amenable number.

112020201 is a deficient number, since it is larger than the sum of its proper divisors (54160411).

112020201 is a wasteful number, since it uses less digits than its factorization.

112020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336440 (or 336437 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 112020201 is about 10583.9596087665. The cubic root of 112020201 is about 482.0574316190.

Adding to 112020201 its reverse (102020211), we get a palindrome (214040412).

It can be divided in two parts, 1120 and 20201, that added together give a triangular number (21321 = T206).

The spelling of 112020201 in words is "one hundred twelve million, twenty thousand, two hundred one".

Divisors: 1 3 9 37 111 333 336397 1009191 3027573 12446689 37340067 112020201