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112120201 = 1015571993
BaseRepresentation
bin1101010111011…
…01000110001001
321210222022000001
412223231012021
5212200321301
615043043001
72531002024
oct653550611
9253868001
10112120201
115831a626
1231670461
131a2c841b
1410c681bb
159c9ac01
hex6aed189

112120201 has 8 divisors (see below), whose sum is σ = 113490504. Its totient is φ = 110755200.

The previous prime is 112120187. The next prime is 112120207. The reversal of 112120201 is 102021211.

It can be written as a sum of positive squares in 4 ways, for example, as 32035600 + 80084601 = 5660^2 + 8949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112120201 - 213 = 112112009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112120207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55261 + ... + 57253.

It is an arithmetic number, because the mean of its divisors is an integer number (14186313).

Almost surely, 2112120201 is an apocalyptic number.

It is an amenable number.

112120201 is a deficient number, since it is larger than the sum of its proper divisors (1370303).

112120201 is a wasteful number, since it uses less digits than its factorization.

112120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 112120201 is about 10588.6826848291. The cubic root of 112120201 is about 482.2008325576.

Adding to 112120201 its reverse (102021211), we get a palindrome (214141412).

It can be divided in two parts, 11 and 2120201, that added together give a palindrome (2120212).

The spelling of 112120201 in words is "one hundred twelve million, one hundred twenty thousand, two hundred one".

Divisors: 1 101 557 1993 56257 201293 1110101 112120201