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1213330023 = 3414979383
BaseRepresentation
bin100100001010001…
…1111001001100111
310010120002112220000
41020110133021213
54441103030043
6320221512343
742032064213
oct11024371147
93116075800
101213330023
11572990894
1229a4126b3
131644b0979
14b71dd943
15717c02d3
hex4851f267

1213330023 has 10 divisors (see below), whose sum is σ = 1812505464. Its totient is φ = 808886628.

The previous prime is 1213330021. The next prime is 1213330039. The reversal of 1213330023 is 3200333121.

It is not a de Polignac number, because 1213330023 - 21 = 1213330021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213329978 and 1213330005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213330021) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7489611 + ... + 7489772.

Almost surely, 21213330023 is an apocalyptic number.

1213330023 is a deficient number, since it is larger than the sum of its proper divisors (599175441).

1213330023 is an equidigital number, since it uses as much as digits as its factorization.

1213330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14979395 (or 14979386 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1213330023 is about 34832.8870896456. The cubic root of 1213330023 is about 1066.5788840629.

Adding to 1213330023 its reverse (3200333121), we get a palindrome (4413663144).

The spelling of 1213330023 in words is "one billion, two hundred thirteen million, three hundred thirty thousand, twenty-three".

Divisors: 1 3 9 27 81 14979383 44938149 134814447 404443341 1213330023