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128133303 = 3148728723
BaseRepresentation
bin1111010001100…
…10100010110111
322221002211211220
413220302202313
5230300231203
620414201423
73114054324
oct750624267
9287084756
10128133303
11663674a1
1236ab3273
1320713c2c
1413035b4b
15b3b0653
hex7a328b7

128133303 has 8 divisors (see below), whose sum is σ = 170965248. Its totient is φ = 85361784.

The previous prime is 128133293. The next prime is 128133307. The reversal of 128133303 is 303331821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128133303 - 24 = 128133287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128133307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9901 + ... + 18822.

It is an arithmetic number, because the mean of its divisors is an integer number (21370656).

Almost surely, 2128133303 is an apocalyptic number.

128133303 is a deficient number, since it is larger than the sum of its proper divisors (42831945).

128133303 is a wasteful number, since it uses less digits than its factorization.

128133303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30213.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 128133303 is about 11319.5981819144. The cubic root of 128133303 is about 504.1433084853.

The spelling of 128133303 in words is "one hundred twenty-eight million, one hundred thirty-three thousand, three hundred three".

Divisors: 1 3 1487 4461 28723 86169 42711101 128133303