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10103323221 = 321822361603
BaseRepresentation
bin10010110100011010…
…00111101001010101
3222002010011222221100
421122031013221111
5131142422320341
64350313140313
7505240554555
oct113215075125
928063158840
1010103323221
114315076302
121b5b6ba699
13c50225784
146bbb7b165
153e1ebc3b6
hex25a347a55

10103323221 has 12 divisors (see below), whose sum is σ = 14594726848. Its totient is φ = 6735069864.

The previous prime is 10103323213. The next prime is 10103323249. The reversal of 10103323221 is 12232330101.

10103323221 is a `hidden beast` number, since 1 + 0 + 10 + 332 + 322 + 1 = 666.

10103323221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10103323221 - 23 = 10103323213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10103323194 and 10103323203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103323201) 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 11 ways as a sum of consecutive naturals, for example, 133206 + ... + 194808.

Almost surely, 210103323221 is an apocalyptic number.

It is an amenable number.

10103323221 is a deficient number, since it is larger than the sum of its proper divisors (4491403627).

10103323221 is a wasteful number, since it uses less digits than its factorization.

10103323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79832 (or 79829 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10103323221 its reverse (12232330101), we get a palindrome (22335653322).

The spelling of 10103323221 in words is "ten billion, one hundred three million, three hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 3 9 18223 54669 61603 164007 184809 554427 1122591469 3367774407 10103323221