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1984122016 = 253112715749
BaseRepresentation
bin111011001000011…
…0100110010100000
312010021110211201121
41312100310302200
513030413401031
6524514342024
7100111521202
oct16620646240
95107424647
101984122016
11928a92268
1247458a914
132580a81c6
1414b724772
15b92c8011
hex76434ca0

1984122016 has 48 divisors (see below), whose sum is σ = 4064256000. Its totient is φ = 952439040.

The previous prime is 1984122011. The next prime is 1984122017. The reversal of 1984122016 is 6102214891.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1984122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118110 + ... + 133858.

It is an arithmetic number, because the mean of its divisors is an integer number (84672000).

Almost surely, 21984122016 is an apocalyptic number.

1984122016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1984122016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032128000).

1984122016 is an abundant number, since it is smaller than the sum of its proper divisors (2080133984).

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

1984122016 is a wasteful number, since it uses less digits than its factorization.

1984122016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15917 (or 15909 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1984122016 is about 44543.4845516154. The cubic root of 1984122016 is about 1256.5780197499.

It can be divided in two parts, 198 and 4122016, that added together give a palindrome (4122214).

The spelling of 1984122016 in words is "one billion, nine hundred eighty-four million, one hundred twenty-two thousand, sixteen".

Divisors: 1 2 4 8 16 31 32 62 124 127 248 254 496 508 992 1016 2032 3937 4064 7874 15748 15749 31496 31498 62992 62996 125984 125992 251984 488219 503968 976438 1952876 2000123 3905752 4000246 7811504 8000492 15623008 16000984 32001968 62003813 64003936 124007626 248015252 496030504 992061008 1984122016