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10110210221 = 64871155851
BaseRepresentation
bin10010110101001110…
…11001000010101101
3222002121010220010102
421122213121002231
5131201203211341
64351120520445
7505353240356
oct113247310255
928077126112
1010110210221
114318a4a641
121b61a80125
13c51797417
146bca50d2d
153e28ccc9b
hex25a9d90ad

10110210221 has 4 divisors (see below), whose sum is σ = 10110430944. Its totient is φ = 10109989500.

The previous prime is 10110210197. The next prime is 10110210239. The reversal of 10110210221 is 12201201101.

10110210221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10110210221 - 26 = 10110210157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110210281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13055 + ... + 142796.

It is an arithmetic number, because the mean of its divisors is an integer number (2527607736).

Almost surely, 210110210221 is an apocalyptic number.

It is an amenable number.

10110210221 is a deficient number, since it is larger than the sum of its proper divisors (220723).

10110210221 is an equidigital number, since it uses as much as digits as its factorization.

10110210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220722.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10110210221 its reverse (12201201101), we get a palindrome (22311411322).

The spelling of 10110210221 in words is "ten billion, one hundred ten million, two hundred ten thousand, two hundred twenty-one".

Divisors: 1 64871 155851 10110210221