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442434102020 = 225671321249943
BaseRepresentation
bin1100111000000110010…
…00001010001100000100
31120021222222211002201222
412130003020022030010
524222101112231040
6535130150135512
743651633550111
oct6340310121404
91507888732658
10442434102020
111606a95752a9
12718b6351598
133294ba89651
14175b1b49908
15b796e40bb5
hex670320a304

442434102020 has 48 divisors (see below), whose sum is σ = 943696564608. Its totient is φ = 174199576320.

The previous prime is 442434101959. The next prime is 442434102053. The reversal of 442434102020 is 20201434244.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1645169 + ... + 1895111.

It is an arithmetic number, because the mean of its divisors is an integer number (19660345096).

Almost surely, 2442434102020 is an apocalyptic number.

It is an amenable number.

442434102020 is an abundant number, since it is smaller than the sum of its proper divisors (501262462588).

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

442434102020 is a wasteful number, since it uses less digits than its factorization.

442434102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251340 (or 251338 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 442434102020 its reverse (20201434244), we get a palindrome (462635536264).

The spelling of 442434102020 in words is "four hundred forty-two billion, four hundred thirty-four million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1321 1340 2642 5284 6605 13210 26420 88507 177014 249943 354028 442535 499886 885070 999772 1249715 1770140 2499430 4998860 16746181 33492362 66984724 83730905 167461810 330174703 334923620 660349406 1320698812 1650873515 3301747030 6603494060 22121705101 44243410202 88486820404 110608525505 221217051010 442434102020