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442123032384 = 263211271257489
BaseRepresentation
bin1100110111100001001…
…01100001011101000000
31120021012022111010102100
412123300211201131000
524220431444014014
6535035234550400
743641135524415
oct6336045413500
91507168433370
10442123032384
11160559a20060
127182a138400
13328cc4b4187
14175826d410c
15b779997009
hex66f0961740

442123032384 has 168 divisors, whose sum is σ = 1387578591360. Its totient is φ = 133481779200.

The previous prime is 442123032367. The next prime is 442123032401. The reversal of 442123032384 is 483230321244.

442123032384 is a `hidden beast` number, since 4 + 4 + 21 + 230 + 323 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (442123032367) and next prime (442123032401).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1588312 + ... + 1845800.

Almost surely, 2442123032384 is an apocalyptic number.

442123032384 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 442123032384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693789295680).

442123032384 is an abundant number, since it is smaller than the sum of its proper divisors (945455558976).

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

442123032384 is a wasteful number, since it uses less digits than its factorization.

442123032384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257789 (or 257776 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 442123032384 in words is "four hundred forty-two billion, one hundred twenty-three million, thirty-two thousand, three hundred eighty-four".