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2128593875 = 53139122509
BaseRepresentation
bin111111011011111…
…1100001111010011
312111100022202212012
41332313330033103
513324410001000
6551115053135
7103514515022
oct17667741723
95440282765
102128593875
119a25990a1
124b4a411ab
1327bcbcb05
141629b08b9
15c6d14735
hex7edfc3d3

2128593875 has 16 divisors (see below), whose sum is σ = 2675618400. Its totient is φ = 1690610400.

The previous prime is 2128593871. The next prime is 2128593893. The reversal of 2128593875 is 5783958212.

It is a happy number.

It is not a de Polignac number, because 2128593875 - 22 = 2128593871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2128593871) 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, 43880 + ... + 78629.

It is an arithmetic number, because the mean of its divisors is an integer number (167226150).

Almost surely, 22128593875 is an apocalyptic number.

2128593875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2128593875 is a deficient number, since it is larger than the sum of its proper divisors (547024525).

2128593875 is a wasteful number, since it uses less digits than its factorization.

2128593875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122663 (or 122653 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The square root of 2128593875 is about 46136.6868663106. The cubic root of 2128593875 is about 1286.3651608212.

The spelling of 2128593875 in words is "two billion, one hundred twenty-eight million, five hundred ninety-three thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 139 695 3475 17375 122509 612545 3062725 15313625 17028751 85143755 425718775 2128593875