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2002222007872 = 2631284718873
BaseRepresentation
bin11101001000101101101…
…110110100011001000000
321002102002021221112201221
4131020231232310121000
5230301022313222442
64131450314204424
7264440633155102
oct35105556643100
97072067845657
102002222007872
11702157142229
12284064123714
13116a68a00028
146cc9da19572
15371380e5467
hex1d22dbb4640

2002222007872 has 14 divisors (see below), whose sum is σ = 3973159296998. Its totient is φ = 1001111003904.

The previous prime is 2002222007761. The next prime is 2002222007893. The reversal of 2002222007872 is 2787002222002.

It can be written as a sum of positive squares in only one way, i.e., 1873788650496 + 128433357376 = 1368864^2 + 358376^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15642359373 + ... + 15642359500.

Almost surely, 22002222007872 is an apocalyptic number.

It is an amenable number.

2002222007872 is a deficient number, since it is larger than the sum of its proper divisors (1970937289126).

2002222007872 is an equidigital number, since it uses as much as digits as its factorization.

2002222007872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31284718885 (or 31284718875 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

Adding to 2002222007872 its reverse (2787002222002), we get a palindrome (4789224229874).

The spelling of 2002222007872 in words is "two trillion, two billion, two hundred twenty-two million, seven thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 31284718873 62569437746 125138875492 250277750984 500555501968 1001111003936 2002222007872