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10020031303021 = 712712083250007
BaseRepresentation
bin1001000111001111100001…
…1010000000110101101101
31022110220110012122212202021
42101303320122000311231
52303132011003144041
633151045553230141
72052631500534535
oct221637032006555
938426405585667
1010020031303021
1132135204a3503
121159b48262351
13578b6717324c
14268d876424c5
1512599d7e3cd1
hex91cf8680d6d

10020031303021 has 16 divisors (see below), whose sum is σ = 10203590504448. Its totient is φ = 9837686098800.

The previous prime is 10020031302973. The next prime is 10020031303081. The reversal of 10020031303021 is 12030313002001.

It is a cyclic number.

It is not a de Polignac number, because 10020031303021 - 215 = 10020031270253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020031302986 and 10020031303004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020031303081) 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, 39954000 + ... + 40204006.

It is an arithmetic number, because the mean of its divisors is an integer number (637724406528).

Almost surely, 210020031303021 is an apocalyptic number.

It is an amenable number.

10020031303021 is a deficient number, since it is larger than the sum of its proper divisors (183559201427).

10020031303021 is a wasteful number, since it uses less digits than its factorization.

10020031303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252432.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10020031303021 its reverse (12030313002001), we get a palindrome (22050344305022).

The spelling of 10020031303021 in words is "ten trillion, twenty billion, thirty-one million, three hundred three thousand, twenty-one".

Divisors: 1 71 271 2083 19241 147893 250007 564493 17750497 40079003 67751897 520764581 4810384687 36974285251 141127201451 10020031303021