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212100011 = 415397607
BaseRepresentation
bin11001010010001…
…10001110101011
3112210002210111222
430221012032223
5413244200021
633014012255
75153551244
oct1451061653
9483083458
10212100011
11a97a7972
125b04708b
1334c32986
1420251ccb
15139496ab
hexca463ab

212100011 has 8 divisors (see below), whose sum is σ = 221374944. Its totient is φ = 203020480.

The previous prime is 212099981. The next prime is 212100017. The reversal of 212100011 is 110001212.

212100011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212100011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212100017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46631 + ... + 50976.

It is an arithmetic number, because the mean of its divisors is an integer number (27671868).

Almost surely, 2212100011 is an apocalyptic number.

212100011 is a deficient number, since it is larger than the sum of its proper divisors (9274933).

212100011 is an equidigital number, since it uses as much as digits as its factorization.

212100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97701.

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

The square root of 212100011 is about 14563.6537654532. The cubic root of 212100011 is about 596.3669449939.

Adding to 212100011 its reverse (110001212), we get a palindrome (322101223).

The spelling of 212100011 in words is "two hundred twelve million, one hundred thousand, eleven".

Divisors: 1 41 53 2173 97607 4001887 5173171 212100011