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20882321013 = 3191133242093
BaseRepresentation
bin10011011100101011…
…101110111001110101
31222220022202211010210
4103130223232321311
5320231333233023
613332044340033
71336324541241
oct233453567165
958808684123
1020882321013
118946586944
124069544619
131c7a421488
14102155d421
15823454593
hex4dcaeee75

20882321013 has 16 divisors (see below), whose sum is σ = 29567897280. Its totient is φ = 13072114944.

The previous prime is 20882321003. The next prime is 20882321027. The reversal of 20882321013 is 31012328802.

It is not a de Polignac number, because 20882321013 - 24 = 20882320997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20882321003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1614606 + ... + 1627487.

It is an arithmetic number, because the mean of its divisors is an integer number (1847993580).

Almost surely, 220882321013 is an apocalyptic number.

It is an amenable number.

20882321013 is a deficient number, since it is larger than the sum of its proper divisors (8685576267).

20882321013 is a wasteful number, since it uses less digits than its factorization.

20882321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242228.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 20882321013 its reverse (31012328802), we get a palindrome (51894649815).

The spelling of 20882321013 in words is "twenty billion, eight hundred eighty-two million, three hundred twenty-one thousand, thirteen".

Divisors: 1 3 19 57 113 339 2147 6441 3242093 9726279 61599767 184799301 366356509 1099069527 6960773671 20882321013