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445254402212 = 22135778198689
BaseRepresentation
bin1100111101010110011…
…10110000000010100100
31120120021112201012021122
412132223032300002210
524243340111332322
6540314055033112
744111550654464
oct6365316600244
91516245635248
10445254402212
11161916558604
127236296b798
1332cab173829
141779c535ba4
15b8ae83a442
hex67ab3b00a4

445254402212 has 12 divisors (see below), whose sum is σ = 779252689740. Its totient is φ = 222610776576.

The previous prime is 445254402211. The next prime is 445254402227. The reversal of 445254402212 is 212204452544.

It can be written as a sum of positive squares in 2 ways, for example, as 205520782336 + 239733619876 = 453344^2 + 489626^2 .

It is not an unprimeable number, because it can be changed into a prime (445254402211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4045037 + ... + 4153652.

It is an arithmetic number, because the mean of its divisors is an integer number (64937724145).

Almost surely, 2445254402212 is an apocalyptic number.

It is an amenable number.

445254402212 is a deficient number, since it is larger than the sum of its proper divisors (333998287528).

445254402212 is a wasteful number, since it uses less digits than its factorization.

445254402212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8212270 (or 8212268 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 445254402212 its reverse (212204452544), we get a palindrome (657458854756).

The spelling of 445254402212 in words is "four hundred forty-five billion, two hundred fifty-four million, four hundred two thousand, two hundred twelve".

Divisors: 1 2 4 13577 27154 54308 8198689 16397378 32794756 111313600553 222627201106 445254402212