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2112131203 = 71335296577
BaseRepresentation
bin111110111100100…
…1001000010000011
312110012100101022121
41331321021002003
513311201144303
6545330145111
7103224550630
oct17571110203
95405311277
102112131203
11994274486
124ab422197
132787777a0
14160727187
15c56619bd
hex7de49083

2112131203 has 16 divisors (see below), whose sum is σ = 2600678080. Its totient is φ = 1670409216.

The previous prime is 2112131201. The next prime is 2112131207. The reversal of 2112131203 is 3021312112.

It is not a de Polignac number, because 2112131203 - 21 = 2112131201 is a prime.

It is a super-2 number, since 2×21121312032 = 8922196437372454418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112131201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317851 + ... + 324427.

It is an arithmetic number, because the mean of its divisors is an integer number (162542380).

Almost surely, 22112131203 is an apocalyptic number.

2112131203 is a deficient number, since it is larger than the sum of its proper divisors (488546877).

2112131203 is a wasteful number, since it uses less digits than its factorization.

2112131203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2112131203 is about 45957.9286195538. The cubic root of 2112131203 is about 1283.0402995117.

Adding to 2112131203 its reverse (3021312112), we get a palindrome (5133443315).

The spelling of 2112131203 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, two hundred three".

Divisors: 1 7 13 91 3529 6577 24703 45877 46039 85501 321139 598507 23210233 162471631 301733029 2112131203