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444538271120 = 2455556728389
BaseRepresentation
bin1100111100000001000…
…10111011010110010000
31120111102122011222002212
412132000202323112100
524240403244133440
6540115033531252
744055033646646
oct6360042732620
91514378158085
10444538271120
111615892a0729
12721a2b73b28
1332bc59a7018
141773139d196
15b86ba2d465
hex67808bb590

444538271120 has 20 divisors (see below), whose sum is σ = 1033551480540. Its totient is φ = 177815308416.

The previous prime is 444538271087. The next prime is 444538271159. The reversal of 444538271120 is 21172835444.

It can be written as a sum of positive squares in 2 ways, for example, as 331370619904 + 113167651216 = 575648^2 + 336404^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×4445382711202 (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2778364115 + ... + 2778364274.

It is an arithmetic number, because the mean of its divisors is an integer number (51677574027).

Almost surely, 2444538271120 is an apocalyptic number.

444538271120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444538271120 is an abundant number, since it is smaller than the sum of its proper divisors (589013209420).

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

444538271120 is a wasteful number, since it uses less digits than its factorization.

444538271120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556728402 (or 5556728396 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 444538271120 in words is "four hundred forty-four billion, five hundred thirty-eight million, two hundred seventy-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 5556728389 11113456778 22226913556 27783641945 44453827112 55567283890 88907654224 111134567780 222269135560 444538271120