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444180794020 = 22568413246461
BaseRepresentation
bin1100111011010110011…
…11010000101010100100
31120110111201112020201021
412131223033100222210
524234140240402040
6540015343540524
744043133311445
oct6355317205244
91513451466637
10444180794020
11161415529907
12721032ba744
1332b69903702
14176d9b072cc
15b84a46924a
hex676b3d0aa4

444180794020 has 24 divisors (see below), whose sum is σ = 932916306168. Its totient is φ = 177646291200.

The previous prime is 444180793961. The next prime is 444180794027. The reversal of 444180794020 is 20497081444.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37565417124 + 406615376896 = 193818^2 + 637664^2 .

It is not an unprimeable number, because it can be changed into a prime (444180794027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486411 + ... + 1760050.

It is an arithmetic number, because the mean of its divisors is an integer number (38871512757).

Almost surely, 2444180794020 is an apocalyptic number.

It is an amenable number.

444180794020 is an abundant number, since it is smaller than the sum of its proper divisors (488735512148).

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

444180794020 is a wasteful number, since it uses less digits than its factorization.

444180794020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253311 (or 3253309 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 444180794020 in words is "four hundred forty-four billion, one hundred eighty million, seven hundred ninety-four thousand, twenty".

Divisors: 1 2 4 5 10 20 6841 13682 27364 34205 68410 136820 3246461 6492922 12985844 16232305 32464610 64929220 22209039701 44418079402 88836158804 111045198505 222090397010 444180794020