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1112312101 = 12750917207
BaseRepresentation
bin100001001001100…
…1000100100100101
32212112000022100111
41002103020210211
54234222441401
6302212413021
736364332265
oct10223104445
92775008314
101112312101
115209645aa
12270617171
131495a1a54
14a7a257a5
15679b8e51
hex424c8925

1112312101 has 8 divisors (see below), whose sum is σ = 1123338240. Its totient is φ = 1101321648.

The previous prime is 1112312099. The next prime is 1112312111. The reversal of 1112312101 is 1012132111.

It is a happy number.

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

It is not a de Polignac number, because 1112312101 - 21 = 1112312099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112312111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56040 + ... + 73246.

It is an arithmetic number, because the mean of its divisors is an integer number (140417280).

Almost surely, 21112312101 is an apocalyptic number.

It is an amenable number.

1112312101 is a deficient number, since it is larger than the sum of its proper divisors (11026139).

1112312101 is a wasteful number, since it uses less digits than its factorization.

1112312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17843.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1112312101 is about 33351.3433162744. The cubic root of 1112312101 is about 1036.1172097602.

Adding to 1112312101 its reverse (1012132111), we get a palindrome (2124444212).

The spelling of 1112312101 in words is "one billion, one hundred twelve million, three hundred twelve thousand, one hundred one".

Divisors: 1 127 509 17207 64643 2185289 8758363 1112312101