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2120202112 = 2772366297
BaseRepresentation
bin111111001011111…
…1011011110000000
312110202112102112011
41332113323132000
513320232431422
6550215142304
7103353264160
oct17627733600
95422472464
102120202112
11998887256
124b2074994
1327a342282
141618285a0
15c6208077
hex7e5fb780

2120202112 has 32 divisors (see below), whose sum is σ = 4827247920. Its totient is φ = 908657664.

The previous prime is 2120202053. The next prime is 2120202143. The reversal of 2120202112 is 2112020212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 2120202092 and 2120202101.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1182253 + ... + 1184044.

Almost surely, 22120202112 is an apocalyptic number.

It is an amenable number.

2120202112 is an abundant number, since it is smaller than the sum of its proper divisors (2707045808).

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

2120202112 is an equidigital number, since it uses as much as digits as its factorization.

2120202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366318 (or 2366306 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2120202112 is about 46045.6524766454. The cubic root of 2120202112 is about 1284.6724802318.

Adding to 2120202112 its reverse (2112020212), we get a palindrome (4232222324).

The spelling of 2120202112 in words is "two billion, one hundred twenty million, two hundred two thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 2366297 4732594 9465188 16564079 18930376 33128158 37860752 66256316 75721504 132512632 151443008 265025264 302886016 530050528 1060101056 2120202112