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2018162128 = 24139907447
BaseRepresentation
bin111100001001010…
…1011010111010000
312012122112020222111
41320102223113100
513113122142003
6532132115104
7101004044413
oct17022532720
95178466874
102018162128
11946222094
12483a65a94
13262166098
14152065b7a
15bc29de6d
hex784ab5d0

2018162128 has 20 divisors (see below), whose sum is σ = 3938324320. Its totient is φ = 1001820384.

The previous prime is 2018162059. The next prime is 2018162173. The reversal of 2018162128 is 8212618102.

It is a self number, because there is not a number n which added to its sum of digits gives 2018162128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451500 + ... + 455947.

It is an arithmetic number, because the mean of its divisors is an integer number (196916216).

Almost surely, 22018162128 is an apocalyptic number.

It is an amenable number.

2018162128 is a deficient number, since it is larger than the sum of its proper divisors (1920162192).

2018162128 is a wasteful number, since it uses less digits than its factorization.

2018162128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907594 (or 907588 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 2018162128 is about 44923.9593980762. The cubic root of 2018162128 is about 1263.7233712054.

The spelling of 2018162128 in words is "two billion, eighteen million, one hundred sixty-two thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 139 278 556 1112 2224 907447 1814894 3629788 7259576 14519152 126135133 252270266 504540532 1009081064 2018162128