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2122012211744 = 25317209188901
BaseRepresentation
bin11110111000010001110…
…010001011101000100000
321111212021200100102001102
4132320101302023220200
5234231340111233434
64302501114053532
7306211304123015
oct36702162135040
97455250312042
102122012211744
11748a38633417
122a331571a2a8
131251495b0279
14749c514d70c
153a2e995907e
hex1ee11c8ba20

2122012211744 has 24 divisors (see below), whose sum is σ = 4190890462668. Its totient is φ = 1057659078400.

The previous prime is 2122012211743. The next prime is 2122012211873. The reversal of 2122012211744 is 4471122102212.

It can be written as a sum of positive squares in 2 ways, for example, as 1815109507600 + 306902704144 = 1347260^2 + 553988^2 .

It is not an unprimeable number, because it can be changed into a prime (2122012211741) 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, 104584307 + ... + 104604594.

Almost surely, 22122012211744 is an apocalyptic number.

It is an amenable number.

2122012211744 is a deficient number, since it is larger than the sum of its proper divisors (2068878250924).

2122012211744 is a wasteful number, since it uses less digits than its factorization.

2122012211744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209189228 (or 209189220 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

Adding to 2122012211744 its reverse (4471122102212), we get a palindrome (6593134313956).

The spelling of 2122012211744 in words is "two trillion, one hundred twenty-two billion, twelve million, two hundred eleven thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 32 317 634 1268 2536 5072 10144 209188901 418377802 836755604 1673511208 3347022416 6694044832 66312881617 132625763234 265251526468 530503052936 1061006105872 2122012211744