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2128775048 = 2319137151677
BaseRepresentation
bin111111011100010…
…1000011110001000
312111100122222101022
41332320220132020
513324431300143
6551123012012
7103516201151
oct17670503610
95440588338
102128775048
119a2702224
124b4b0a008
1327c05440a
14162a1a928
15c6d4d268
hex7ee28788

2128775048 has 64 divisors (see below), whose sum is σ = 4266518400. Its totient is φ = 992908800.

The previous prime is 2128775027. The next prime is 2128775087. The reversal of 2128775048 is 8405778212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3144086 + ... + 3144762.

It is an arithmetic number, because the mean of its divisors is an integer number (66664350).

Almost surely, 22128775048 is an apocalyptic number.

It is an amenable number.

2128775048 is an abundant number, since it is smaller than the sum of its proper divisors (2137743352).

2128775048 is a wasteful number, since it uses less digits than its factorization.

2128775048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 2128775048 is about 46138.6502620092. The cubic root of 2128775048 is about 1286.4016556525.

The spelling of 2128775048 in words is "two billion, one hundred twenty-eight million, seven hundred seventy-five thousand, forty-eight".

Divisors: 1 2 4 8 19 38 76 137 151 152 274 302 548 604 677 1096 1208 1354 2603 2708 2869 5206 5416 5738 10412 11476 12863 20687 20824 22952 25726 41374 51452 82748 92749 102227 102904 165496 185498 204454 370996 393053 408908 741992 786106 817816 1572212 1762231 1942313 3144424 3524462 3884626 7048924 7769252 14005099 14097848 15538504 28010198 56020396 112040792 266096881 532193762 1064387524 2128775048