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112231122213 = 3729443415999
BaseRepresentation
bin110100010000101111…
…1110000010100100101
3101201200120122201200010
41220201133300110211
53314322131402323
6123320330240433
711052122540640
oct1504137602445
9351616581603
10112231122213
11436625a7271
1219901b86119
13a777807272
145609642a57
152dbce10c93
hex1a217f0525

112231122213 has 32 divisors (see below), whose sum is σ = 177315840000. Its totient is φ = 61780694976.

The previous prime is 112231122203. The next prime is 112231122217. The reversal of 112231122213 is 312221132211.

It is not a de Polignac number, because 112231122213 - 25 = 112231122181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 112231122213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112231122217) 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 31 ways as a sum of consecutive naturals, for example, 61788 + ... + 477786.

It is an arithmetic number, because the mean of its divisors is an integer number (5541120000).

Almost surely, 2112231122213 is an apocalyptic number.

It is an amenable number.

112231122213 is a deficient number, since it is larger than the sum of its proper divisors (65084717787).

112231122213 is a wasteful number, since it uses less digits than its factorization.

112231122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416481.

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

Adding to 112231122213 its reverse (312221132211), we get a palindrome (424452254424).

The spelling of 112231122213 in words is "one hundred twelve billion, two hundred thirty-one million, one hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 3 7 21 29 87 203 443 609 1329 3101 9303 12847 38541 89929 269787 415999 1247997 2911993 8735979 12063971 36191913 84447797 184287557 253343391 552862671 1290012899 3870038697 5344339153 16033017459 37410374071 112231122213