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128268433151 = 2948724113767
BaseRepresentation
bin111011101110101100…
…1001111011011111111
3110021002020200112110022
41313131121033123333
54100143204330101
6134531541402355
712160416456335
oct1673531173377
9407066615408
10128268433151
114a442206351
1220a38a093bb
13c132225071
1462cb527b55
15350ad26a1b
hex1ddd64f6ff

128268433151 has 16 divisors (see below), whose sum is σ = 133054410240. Its totient is φ = 123507024480.

The previous prime is 128268433127. The next prime is 128268433169. The reversal of 128268433151 is 151334862821.

It is a cyclic number.

It is not a de Polignac number, because 128268433151 - 214 = 128268416767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128268433171) 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, 34048670 + ... + 34052436.

It is an arithmetic number, because the mean of its divisors is an integer number (8315900640).

Almost surely, 2128268433151 is an apocalyptic number.

128268433151 is a deficient number, since it is larger than the sum of its proper divisors (4785977089).

128268433151 is a wasteful number, since it uses less digits than its factorization.

128268433151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6694.

The product of its digits is 276480, while the sum is 44.

The spelling of 128268433151 in words is "one hundred twenty-eight billion, two hundred sixty-eight million, four hundred thirty-three thousand, one hundred fifty-one".

Divisors: 1 29 487 2411 3767 14123 69919 109243 1174157 1834529 9082237 34050553 53201341 263384873 4423049419 128268433151