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120220112 = 2453141769
BaseRepresentation
bin1110010101001…
…10100111010000
322101012210222202
413022212213100
5221234020422
615532422332
72656565645
oct712464720
9271183882
10120220112
1161952171
12343179a8
131bba317c
1411d75dcc
15a84ab92
hex72a69d0

120220112 has 20 divisors (see below), whose sum is σ = 237322980. Its totient is φ = 58975488.

The previous prime is 120220099. The next prime is 120220117. The reversal of 120220112 is 211022021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87684496 + 32535616 = 9364^2 + 5704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120220093 and 120220102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70037 + ... + 71732.

It is an arithmetic number, because the mean of its divisors is an integer number (11866149).

Almost surely, 2120220112 is an apocalyptic number.

It is an amenable number.

120220112 is a deficient number, since it is larger than the sum of its proper divisors (117102868).

120220112 is a wasteful number, since it uses less digits than its factorization.

120220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141830 (or 141824 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 120220112 is about 10964.4932395437. The cubic root of 120220112 is about 493.5438100348.

Adding to 120220112 its reverse (211022021), we get a palindrome (331242133).

The spelling of 120220112 in words is "one hundred twenty million, two hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 53 106 212 424 848 141769 283538 567076 1134152 2268304 7513757 15027514 30055028 60110056 120220112