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2133597128 = 231320515357
BaseRepresentation
bin111111100101100…
…0001101111001000
312111200201222000212
41333023001233020
513332200102003
6551414220252
7103605163535
oct17713015710
95450658025
102133597128
119a53a6113
124b6654688
13280052210
14163513d8c
15c74a1dd8
hex7f2c1bc8

2133597128 has 16 divisors (see below), whose sum is σ = 4308225180. Its totient is φ = 984737088.

The previous prime is 2133597113. The next prime is 2133597133. The reversal of 2133597128 is 8217953312.

It can be written as a sum of positive squares in 2 ways, for example, as 1587066244 + 546530884 = 39838^2 + 23378^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10257575 + ... + 10257782.

Almost surely, 22133597128 is an apocalyptic number.

It is an amenable number.

2133597128 is an abundant number, since it is smaller than the sum of its proper divisors (2174628052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133597128 is a wasteful number, since it uses less digits than its factorization.

2133597128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20515376 (or 20515372 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 2133597128 is about 46190.8771079312. The cubic root of 2133597128 is about 1287.3722379019.

The spelling of 2133597128 in words is "two billion, one hundred thirty-three million, five hundred ninety-seven thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 20515357 41030714 82061428 164122856 266699641 533399282 1066798564 2133597128