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128875175139 = 3310691382677
BaseRepresentation
bin111100000000110001…
…1110001110011100011
3110022122112101012222210
41320001203301303203
54102414021101024
6135112054133203
712211434625404
oct1700143616343
9408575335883
10128875175139
114a723749607
1220b88051203
13c1cab415a9
146347d479ab
153544227129
hex1e018f1ce3

128875175139 has 8 divisors (see below), whose sum is σ = 171839221840. Its totient is φ = 85913955936.

The previous prime is 128875175119. The next prime is 128875175147. The reversal of 128875175139 is 931571578821.

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

It is not a de Polignac number, because 128875175139 - 236 = 60155698403 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (128875175119) 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, 598132 + ... + 784545.

It is an arithmetic number, because the mean of its divisors is an integer number (21479902730).

Almost surely, 2128875175139 is an apocalyptic number.

128875175139 is a deficient number, since it is larger than the sum of its proper divisors (42964046701).

128875175139 is a wasteful number, since it uses less digits than its factorization.

128875175139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413749.

The product of its digits is 4233600, while the sum is 57.

The spelling of 128875175139 in words is "one hundred twenty-eight billion, eight hundred seventy-five million, one hundred seventy-five thousand, one hundred thirty-nine".

Divisors: 1 3 31069 93207 1382677 4148031 42958391713 128875175139