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28375583728193 = 132264076358271
BaseRepresentation
bin1100111001110101101001…
…00101101010001001000001
310201110200100012220011020122
412130322310211222021001
512204401143413300233
6140203321352550025
75656032263036222
oct634726445521101
9121420305804218
1028375583728193
1190500212a0239
1232234656b2315
1312aaa62bcc100
14701558065249
153431a9dc8d98
hex19ceb496a241

28375583728193 has 12 divisors (see below), whose sum is σ = 30727392196608. Its totient is φ = 26191850508720.

The previous prime is 28375583728181. The next prime is 28375583728223. The reversal of 28375583728193 is 39182738557382.

It is not a de Polignac number, because 28375583728193 - 230 = 28374509986369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28375583722193) 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, 1283648 + ... + 7641918.

It is an arithmetic number, because the mean of its divisors is an integer number (2560616016384).

Almost surely, 228375583728193 is an apocalyptic number.

It is an amenable number.

28375583728193 is a deficient number, since it is larger than the sum of its proper divisors (2351808468415).

28375583728193 is a wasteful number, since it uses less digits than its factorization.

28375583728193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384704 (or 6384691 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 71.

The spelling of 28375583728193 in words is "twenty-eight trillion, three hundred seventy-five billion, five hundred eighty-three million, seven hundred twenty-eight thousand, one hundred ninety-three".

Divisors: 1 13 169 26407 343291 4462783 6358271 82657523 1074547799 167902862297 2182737209861 28375583728193