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428111908224 = 27371121319732
BaseRepresentation
bin1100011101011010111…
…01010100110110000000
31111221000212002021100220
412032231131110312000
524003233122030344
6524401043543040
742634004115060
oct6165535246600
91457025067326
10428111908224
1115561a014100
126ab7998aa80
13314a87abb70
1416a139633a0
15b2098b7c19
hex63ad754d80

428111908224 has 1152 divisors, whose sum is σ = 1641854995200. Its totient is φ = 95909806080.

The previous prime is 428111908223. The next prime is 428111908247. The reversal of 428111908224 is 422809111824.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428111908223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5864546652 + ... + 5864546724.

It is an arithmetic number, because the mean of its divisors is an integer number (1425221350).

Almost surely, 2428111908224 is an apocalyptic number.

428111908224 is a gapful number since it is divisible by the number (44) 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 428111908224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820927497600).

428111908224 is an abundant number, since it is smaller than the sum of its proper divisors (1213743086976).

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

428111908224 is a wasteful number, since it uses less digits than its factorization.

428111908224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 428111908224 in words is "four hundred twenty-eight billion, one hundred eleven million, nine hundred eight thousand, two hundred twenty-four".