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212100110 = 2521210011
BaseRepresentation
bin11001010010001…
…10010000001110
3112210002210122122
430221012100032
5413244200420
633014012542
75153551445
oct1451062016
9483083578
10212100110
11a97a7a52
125b047152
1334c32a31
1420251d5c
1513949725
hexca4640e

212100110 has 8 divisors (see below), whose sum is σ = 381780216. Its totient is φ = 84840040.

The previous prime is 212100079. The next prime is 212100121. The reversal of 212100110 is 11001212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10604996 + ... + 10605015.

It is an arithmetic number, because the mean of its divisors is an integer number (47722527).

Almost surely, 2212100110 is an apocalyptic number.

212100110 is a deficient number, since it is larger than the sum of its proper divisors (169680106).

212100110 is a wasteful number, since it uses less digits than its factorization.

212100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21210018.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 212100110 is about 14563.6571643252. The cubic root of 212100110 is about 596.3670377808.

Adding to 212100110 its reverse (11001212), we get a palindrome (223101322).

The spelling of 212100110 in words is "two hundred twelve million, one hundred thousand, one hundred ten".

Divisors: 1 2 5 10 21210011 42420022 106050055 212100110