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444423071274650 = 25213683727801961
BaseRepresentation
bin110010100001100110100111…
…1010010110001011010011010
32011021120102121222010101101222
41211003031033102301122122
5431222411422221242100
64213113050155012042
7162416336002345556
oct14503151722613232
92137512558111358
10444423071274650
11119674847715866
1241a1820343a022
13160c9bba005180
147ba6297388866
15365a6e5ddc485
hex194334f4b169a

444423071274650 has 24 divisors (see below), whose sum is σ = 890213598154524. Its totient is φ = 164094672470400.

The previous prime is 444423071274587. The next prime is 444423071274661. The reversal of 444423071274650 is 56472170324444.

It can be written as a sum of positive squares in 6 ways, for example, as 236285809871281 + 208137261403369 = 15371591^2 + 14426963^2 .

It is a super-3 number, since 3×4444230712746503 (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444423071274592 and 444423071274601.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341863900331 + ... + 341863901630.

Almost surely, 2444423071274650 is an apocalyptic number.

444423071274650 is an abundant number, since it is smaller than the sum of its proper divisors (445790526879874).

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

444423071274650 is a wasteful number, since it uses less digits than its factorization.

444423071274650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683727801986 (or 683727801981 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 53.

The spelling of 444423071274650 in words is "four hundred forty-four trillion, four hundred twenty-three billion, seventy-one million, two hundred seventy-four thousand, six hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 683727801961 1367455603922 3418639009805 6837278019610 8888461425493 17093195049025 17776922850986 34186390098050 44442307127465 88884614254930 222211535637325 444423071274650