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2018043916 = 22772072997
BaseRepresentation
bin111100001001000…
…1110100000001100
312012122022020211021
41320102032200030
513113104401131
6532125403524
7101003042650
oct17022164014
95178266737
102018043916
11946151299
12483a095a4
13262124335
14152034a60
15bc278e11
hex7848e80c

2018043916 has 12 divisors (see below), whose sum is σ = 4036087888. Its totient is φ = 864875952.

The previous prime is 2018043869. The next prime is 2018043917. The reversal of 2018043916 is 6193408102.

2018043916 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2018043917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36036471 + ... + 36036526.

Almost surely, 22018043916 is an apocalyptic number.

It is an amenable number.

2018043916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2018043916 is a wasteful number, since it uses less digits than its factorization.

2018043916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72073008 (or 72073006 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2018043916 is about 44922.6436889015. The cubic root of 2018043916 is about 1263.6986969102.

The spelling of 2018043916 in words is "two billion, eighteen million, forty-three thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 72072997 144145994 288291988 504510979 1009021958 2018043916