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2112133107 = 37100577767
BaseRepresentation
bin111110111100100…
…1001011111110011
312110012100110221010
41331321021133303
513311201224412
6545330202003
7103224556320
oct17571113763
95405313833
102112133107
11994275957
124ab423303
13278778606
14160727b47
15c566233c
hex7de497f3

2112133107 has 8 divisors (see below), whose sum is σ = 3218488576. Its totient is φ = 1206933192.

The previous prime is 2112133073. The next prime is 2112133129. The reversal of 2112133107 is 7013312112.

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 2112133107 - 216 = 2112067571 is a prime.

It is a super-2 number, since 2×21121331072 = 8922212523370946898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 100577767 = 2112133107 / (2 + 1 + 1 + 2 + 1 + 3 + 3 + 1 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112133147) 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, 50288863 + ... + 50288904.

It is an arithmetic number, because the mean of its divisors is an integer number (402311072).

Almost surely, 22112133107 is an apocalyptic number.

2112133107 is a deficient number, since it is larger than the sum of its proper divisors (1106355469).

2112133107 is a wasteful number, since it uses less digits than its factorization.

2112133107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100577777.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 2112133107 is about 45957.9493341468. The cubic root of 2112133107 is about 1283.0406850478.

Adding to 2112133107 its reverse (7013312112), we get a palindrome (9125445219).

The spelling of 2112133107 in words is "two billion, one hundred twelve million, one hundred thirty-three thousand, one hundred seven".

Divisors: 1 3 7 21 100577767 301733301 704044369 2112133107