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2112420233 = 721129149907
BaseRepresentation
bin111110111101000…
…1111100110001001
312110012220001210102
41331322033212021
513311234421413
6545340255145
7103230163400
oct17572174611
95405801712
102112420233
11994451650
124ab5414b5
13278849201
141607a0637
15c56bc458
hex7de8f989

2112420233 has 48 divisors (see below), whose sum is σ = 2794824000. Its totient is φ = 1576874880.

The previous prime is 2112420143. The next prime is 2112420269. The reversal of 2112420233 is 3320242112.

It is not a de Polignac number, because 2112420233 - 210 = 2112419209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112420433) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2328566 + ... + 2329472.

It is an arithmetic number, because the mean of its divisors is an integer number (58225500).

Almost surely, 22112420233 is an apocalyptic number.

It is an amenable number.

2112420233 is a deficient number, since it is larger than the sum of its proper divisors (682403767).

2112420233 is a wasteful number, since it uses less digits than its factorization.

2112420233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2112420233 is about 45961.0730183707. The cubic root of 2112420233 is about 1283.0988217953.

Adding to 2112420233 its reverse (3320242112), we get a palindrome (5432662345).

The spelling of 2112420233 in words is "two billion, one hundred twelve million, four hundred twenty thousand, two hundred thirty-three".

Divisors: 1 7 11 29 49 77 149 203 319 539 907 1043 1421 1639 2233 4321 6349 7301 9977 11473 15631 26303 30247 44443 47531 69839 80311 135143 184121 211729 289333 332717 488873 946001 1288847 1486573 2025331 2329019 3919147 6622007 10406011 14177317 27434029 43110617 72842077 192038203 301774319 2112420233