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111200213212 = 221131187143573
BaseRepresentation
bin110011110010000001…
…1001001100011011100
3101122000201211010101021
41213210003021203130
53310214223310322
6123030142253524
711014434134224
oct1474403114334
9348021733337
10111200213212
1143183692060
12196748872a4
13a64206743a
14554c76b084
152d5c6764c7
hex19e40c98dc

111200213212 has 48 divisors (see below), whose sum is σ = 219261579264. Its totient is φ = 48887784000.

The previous prime is 111200213209. The next prime is 111200213269. The reversal of 111200213212 is 212312002111.

It is a congruent number.

It is an unprimeable number.

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, 2530258 + ... + 2573830.

It is an arithmetic number, because the mean of its divisors is an integer number (4567949568).

Almost surely, 2111200213212 is an apocalyptic number.

It is an amenable number.

111200213212 is a deficient number, since it is larger than the sum of its proper divisors (108061366052).

111200213212 is a wasteful number, since it uses less digits than its factorization.

111200213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45490 (or 45488 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111200213212 its reverse (212312002111), we get a palindrome (323512215323).

The spelling of 111200213212 in words is "one hundred eleven billion, two hundred million, two hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 1871 3742 7484 20581 41162 43573 58001 82324 87146 116002 174292 232004 479303 638011 958606 1276022 1350763 1917212 2552044 2701526 5403052 14858393 29716786 59433572 81525083 163050166 326100332 896775913 1793551826 2527277573 3587103652 5054555146 10109110292 27800053303 55600106606 111200213212