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21233304054430 = 2513473475172513
BaseRepresentation
bin1001101001111110000111…
…00010111010101010011110
32210011212212110121212121121
410310333003202322222132
510240341301314220210
6113054240100121154
74321025032353346
oct464770342725236
983155773555547
1021233304054430
116846aa2651156
12246b1a66961ba
13bb03a4635410
145359a9943d26
1526c4d879e6da
hex134fc38baa9e

21233304054430 has 32 divisors (see below), whose sum is σ = 42035686729344. Its totient is φ = 7673180906496.

The previous prime is 21233304054421. The next prime is 21233304054439. The reversal of 21233304054430 is 3445040333212.

It is an interprime number because it is at equal distance from previous prime (21233304054421) and next prime (21233304054439).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233304054439) 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, 1737580147 + ... + 1737592366.

It is an arithmetic number, because the mean of its divisors is an integer number (1313615210292).

Almost surely, 221233304054430 is an apocalyptic number.

21233304054430 is a deficient number, since it is larger than the sum of its proper divisors (20802382674914).

21233304054430 is a wasteful number, since it uses less digits than its factorization.

21233304054430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475172580.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 21233304054430 its reverse (3445040333212), we get a palindrome (24678344387642).

The spelling of 21233304054430 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred four million, fifty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 47 65 94 130 235 470 611 1222 3055 6110 3475172513 6950345026 17375862565 34751725130 45177242669 90354485338 163333108111 225886213345 326666216222 451772426690 816665540555 1633331081110 2123330405443 4246660810886 10616652027215 21233304054430