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2120100233 = 23401457503
BaseRepresentation
bin111111001011110…
…0010100110001001
312110202100020202212
41332113202212021
513320221201413
6550213034505
7103352361146
oct17627424611
95422306685
102120100233
11998817759
124b2025a35
1327a307aa4
141617dd3cd
15c61d7ca8
hex7e5e2989

2120100233 has 16 divisors (see below), whose sum is σ = 2227067136. Its totient is φ = 2014425600.

The previous prime is 2120100197. The next prime is 2120100263. The reversal of 2120100233 is 3320010212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2120100233 - 28 = 2120099977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2120100263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4214660 + ... + 4215162.

It is an arithmetic number, because the mean of its divisors is an integer number (139191696).

Almost surely, 22120100233 is an apocalyptic number.

2120100233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2120100233 is a deficient number, since it is larger than the sum of its proper divisors (106966903).

2120100233 is a wasteful number, since it uses less digits than its factorization.

2120100233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2120100233 is about 46044.5461808453. The cubic root of 2120100233 is about 1284.6519030671.

Adding to 2120100233 its reverse (3320010212), we get a palindrome (5440110445).

The spelling of 2120100233 in words is "two billion, one hundred twenty million, one hundred thousand, two hundred thirty-three".

Divisors: 1 23 401 457 503 9223 10511 11569 183257 201703 229871 4214911 4639169 5287033 92178271 2120100233