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20413103223 = 353731758689
BaseRepresentation
bin10011000000101101…
…110011110001110111
31221200121212002100010
4103000231303301313
5313301223300343
613213323351303
71321566341322
oct230055636167
957617762303
1020413103223
118725734647
123b58382533
131c04156406
14db90db7b9
157e716bd33
hex4c0b73c77

20413103223 has 16 divisors (see below), whose sum is σ = 28110900960. Its totient is φ = 13169055744.

The previous prime is 20413103189. The next prime is 20413103239. The reversal of 20413103223 is 32230131402.

It is not a de Polignac number, because 20413103223 - 220 = 20412054647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20413103223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413103323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867738 + ... + 890951.

It is an arithmetic number, because the mean of its divisors is an integer number (1756931310).

Almost surely, 220413103223 is an apocalyptic number.

20413103223 is a deficient number, since it is larger than the sum of its proper divisors (7697797737).

20413103223 is a wasteful number, since it uses less digits than its factorization.

20413103223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758818.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20413103223 its reverse (32230131402), we get a palindrome (52643234625).

The spelling of 20413103223 in words is "twenty billion, four hundred thirteen million, one hundred three thousand, two hundred twenty-three".

Divisors: 1 3 53 73 159 219 3869 11607 1758689 5276067 93210517 128384297 279631551 385152891 6804367741 20413103223