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2112221320302 = 237916192752417
BaseRepresentation
bin11110101111001010001…
…100111001010001101110
321110221000100001120221110
4132233022030321101232
5234101312124222202
64254201401212450
7305413545663012
oct36571214712156
97427010046843
102112221320302
117448739627a5
122a1442791126
13124249018c92
1474336aa0542
1539e2510426c
hex1ebca33946e

2112221320302 has 32 divisors (see below), whose sum is σ = 4280560473600. Its totient is φ = 694731817728.

The previous prime is 2112221320301. The next prime is 2112221320309. The reversal of 2112221320302 is 2030231222112.

It is a super-2 number, since 2×21122213203022 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112221320301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608803 + ... + 2143614.

It is an arithmetic number, because the mean of its divisors is an integer number (133767514800).

Almost surely, 22112221320302 is an apocalyptic number.

2112221320302 is an abundant number, since it is smaller than the sum of its proper divisors (2168339153298).

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

2112221320302 is a wasteful number, since it uses less digits than its factorization.

2112221320302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754120.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2112221320302 its reverse (2030231222112), we get a palindrome (4142452542414).

The spelling of 2112221320302 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, three hundred twenty thousand, three hundred two".

Divisors: 1 2 3 6 79 158 237 474 1619 3238 4857 9714 127901 255802 383703 767406 2752417 5504834 8257251 16514502 217440943 434881886 652322829 1304645658 4456163123 8912326246 13368489369 26736978738 352036886717 704073773434 1056110660151 2112221320302