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212103103102 = 21191110582931
BaseRepresentation
bin1100010110001001010…
…1001000001001111110
3202021110211102000201021
43011202111020021332
511433341343244402
6241234441334354
721216053425612
oct3054225101176
9667424360637
10212103103102
1181a52743750
1235134a973ba
1317002942a47
14a3a169b342
1557b5cadd37
hex316254827e

212103103102 has 16 divisors (see below), whose sum is σ = 347458823424. Its totient is φ = 96304663000.

The previous prime is 212103103099. The next prime is 212103103139. The reversal of 212103103102 is 201301301212.

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 7 ways as a sum of consecutive naturals, for example, 5271424 + ... + 5311507.

It is an arithmetic number, because the mean of its divisors is an integer number (21716176464).

Almost surely, 2212103103102 is an apocalyptic number.

212103103102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212103103102 is a deficient number, since it is larger than the sum of its proper divisors (135355720322).

212103103102 is a wasteful number, since it uses less digits than its factorization.

212103103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583855.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212103103102 its reverse (201301301212), we get a palindrome (413404404314).

The spelling of 212103103102 in words is "two hundred twelve billion, one hundred three million, one hundred three thousand, one hundred two".

Divisors: 1 2 11 22 911 1822 10021 20042 10582931 21165862 116412241 232824482 9641050141 19282100282 106051551551 212103103102