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213103110 = 235113471861
BaseRepresentation
bin11001011001110…
…11001000000110
3112211222202111210
430230323020012
5414023244420
633051312250
75165226603
oct1454731006
9484882453
10213103110
11aa322580
125b44b686
13351c441c
14204336aa
1513a969e0
hexcb3b206

213103110 has 64 divisors (see below), whose sum is σ = 559851264. Its totient is φ = 51484800.

The previous prime is 213103097. The next prime is 213103127. The reversal of 213103110 is 11301312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113580 + ... + 115440.

It is an arithmetic number, because the mean of its divisors is an integer number (8747676).

Almost surely, 2213103110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213103110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279925632).

213103110 is an abundant number, since it is smaller than the sum of its proper divisors (346748154).

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

213103110 is a wasteful number, since it uses less digits than its factorization.

213103110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 213103110 is about 14598.0515823174. The cubic root of 213103110 is about 597.3056130207.

Adding to 213103110 its reverse (11301312), we get a palindrome (224404422).

The spelling of 213103110 in words is "two hundred thirteen million, one hundred three thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 347 694 1041 1735 1861 2082 3470 3722 3817 5205 5583 7634 9305 10410 11166 11451 18610 19085 20471 22902 27915 38170 40942 55830 57255 61413 102355 114510 122826 204710 307065 614130 645767 1291534 1937301 3228835 3874602 6457670 7103437 9686505 14206874 19373010 21310311 35517185 42620622 71034370 106551555 213103110