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10303113302021 = 19239157728873
BaseRepresentation
bin1001010111101110000101…
…1010001001000000000101
31100110222010200101102001202
42111323201122021000011
52322301234001131041
633525103535032245
72112242516036141
oct225734132110005
940428120342052
1010303113302021
1133125869481a1
1211a498b96b685
1359976bc8b977
1427895d92c221
1512d01aac6a9b
hex95ee1689005

10303113302021 has 12 divisors (see below), whose sum is σ = 10874215523052. Its totient is φ = 9760581514944.

The previous prime is 10303113301991. The next prime is 10303113302039. The reversal of 10303113302021 is 12020331130301.

It can be written as a sum of positive squares in 2 ways, for example, as 8359210912900 + 1943902389121 = 2891230^2 + 1394239^2 .

It is not a de Polignac number, because 10303113302021 - 222 = 10303109107717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10303113301984 and 10303113302002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303115302021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13771241 + ... + 14500113.

It is an arithmetic number, because the mean of its divisors is an integer number (906184626921).

Almost surely, 210303113302021 is an apocalyptic number.

It is an amenable number.

10303113302021 is a deficient number, since it is larger than the sum of its proper divisors (571102221031).

10303113302021 is an equidigital number, since it uses as much as digits as its factorization.

10303113302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768068 (or 768049 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10303113302021 its reverse (12020331130301), we get a palindrome (22323444432322).

The spelling of 10303113302021 in words is "ten trillion, three hundred three billion, one hundred thirteen million, three hundred two thousand, twenty-one".

Divisors: 1 19 361 39157 728873 743983 13848587 14135677 263123153 28540480061 542269121159 10303113302021