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21103160214 = 236315573999
BaseRepresentation
bin10011101001110110…
…001010101110010110
32000110201022121120110
4103221312022232112
5321204402111324
613410013543450
71344645621303
oct235166125626
960421277513
1021103160214
118a4a202684
12410b4a4b86
131cb40c3b66
141042a080aa
15837a28329
hex4e9d8ab96

21103160214 has 16 divisors (see below), whose sum is σ = 42273216000. Its totient is φ = 7023237480.

The previous prime is 21103160209. The next prime is 21103160219. The reversal of 21103160214 is 41206130112.

It is an interprime number because it is at equal distance from previous prime (21103160209) and next prime (21103160219).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103160219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2783214 + ... + 2790785.

It is an arithmetic number, because the mean of its divisors is an integer number (2642076000).

Almost surely, 221103160214 is an apocalyptic number.

21103160214 is an abundant number, since it is smaller than the sum of its proper divisors (21170055786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21103160214 is a wasteful number, since it uses less digits than its factorization.

21103160214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574635.

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

Adding to 21103160214 its reverse (41206130112), we get a palindrome (62309290326).

The spelling of 21103160214 in words is "twenty-one billion, one hundred three million, one hundred sixty thousand, two hundred fourteen".

Divisors: 1 2 3 6 631 1262 1893 3786 5573999 11147998 16721997 33443994 3517193369 7034386738 10551580107 21103160214