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212000442103 = 315779671357
BaseRepresentation
bin1100010101110000110…
…1100000011011110111
3202021012200020022022001
43011130031200123313
511433134103121403
6241220333120131
721213366011452
oct3053415403367
9667180208261
10212000442103
11819aa7a4a4a
1235106629047
1316cb75a9ca8
14a391bb6499
1557abc80c1d
hex315c3606f7

212000442103 has 4 divisors (see below), whose sum is σ = 212001429240. Its totient is φ = 211999454968.

The previous prime is 212000442089. The next prime is 212000442119. The reversal of 212000442103 is 301244000212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212000442103 - 29 = 212000441591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000442803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19900 + ... + 651457.

It is an arithmetic number, because the mean of its divisors is an integer number (53000357310).

Almost surely, 2212000442103 is an apocalyptic number.

212000442103 is a deficient number, since it is larger than the sum of its proper divisors (987137).

212000442103 is an equidigital number, since it uses as much as digits as its factorization.

212000442103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987136.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212000442103 its reverse (301244000212), we get a palindrome (513244442315).

The spelling of 212000442103 in words is "two hundred twelve billion, four hundred forty-two thousand, one hundred three".

Divisors: 1 315779 671357 212000442103