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2112430031211 = 34757492605979
BaseRepresentation
bin11110101111010110101…
…001000100000101101011
321110221112212210012111010
4132233112221010011223
5234102224041444321
64254234214435003
7305421662000433
oct36572651040553
97427485705433
102112430031211
11744970755355
122a14a0662a63
13124280333166
14743566ad2c3
1539e385ce676
hex1ebd6a4416b

2112430031211 has 16 divisors (see below), whose sum is σ = 2877001920000. Its totient is φ = 1378082862048.

The previous prime is 2112430031203. The next prime is 2112430031227. The reversal of 2112430031211 is 1121300342112.

It is not a de Polignac number, because 2112430031211 - 23 = 2112430031203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112430031311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492381 + ... + 2113598.

It is an arithmetic number, because the mean of its divisors is an integer number (179812620000).

Almost surely, 22112430031211 is an apocalyptic number.

2112430031211 is a deficient number, since it is larger than the sum of its proper divisors (764571888789).

2112430031211 is a wasteful number, since it uses less digits than its factorization.

2112430031211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611778.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2112430031211 its reverse (1121300342112), we get a palindrome (3233730373323).

The spelling of 2112430031211 in words is "two trillion, one hundred twelve billion, four hundred thirty million, thirty-one thousand, two hundred eleven".

Divisors: 1 3 47 141 5749 17247 270203 810609 2605979 7817937 122481013 367443039 14981773271 44945319813 704143343737 2112430031211