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2123004231 = 32415753399
BaseRepresentation
bin111111010001010…
…0111100101000111
312110221210210022100
41332202213211013
513321442113411
6550355203143
7103416144465
oct17642474507
95427723270
102123004231
1199a420557
124b2ba64b3
1327aab382a
14161d57835
15c65ad456
hex7e8a7947

2123004231 has 12 divisors (see below), whose sum is σ = 3141356400. Its totient is φ = 1380815520.

The previous prime is 2123004223. The next prime is 2123004271. The reversal of 2123004231 is 1324003212.

2123004231 is a `hidden beast` number, since 212 + 30 + 0 + 423 + 1 = 666.

It is not a de Polignac number, because 2123004231 - 23 = 2123004223 is a prime.

It is a super-2 number, since 2×21230042312 = 9014293929687802722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123004211) 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, 2876331 + ... + 2877068.

It is an arithmetic number, because the mean of its divisors is an integer number (261779700).

Almost surely, 22123004231 is an apocalyptic number.

2123004231 is a deficient number, since it is larger than the sum of its proper divisors (1018352169).

2123004231 is a wasteful number, since it uses less digits than its factorization.

2123004231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753446 (or 5753443 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2123004231 is about 46076.0700472599. The cubic root of 2123004231 is about 1285.2381842341.

Adding to 2123004231 its reverse (1324003212), we get a palindrome (3447007443).

The spelling of 2123004231 in words is "two billion, one hundred twenty-three million, four thousand, two hundred thirty-one".

Divisors: 1 3 9 41 123 369 5753399 17260197 51780591 235889359 707668077 2123004231