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10210310003221 = 75413313539137
BaseRepresentation
bin1001010010010100010111…
…1001101001101000010101
31100011002121001121100220221
42110211011321221220111
52314241203330100341
633414315054154341
72102446000024606
oct224450571515025
940132531540827
1010210310003221
1132871938a6239
12118a9b01b29b1
13590a9c455b03
142742785cbdad
1512a8d85aced1
hex94945e69a15

10210310003221 has 4 divisors (see below), whose sum is σ = 10210324296492. Its totient is φ = 10210295709952.

The previous prime is 10210310003213. The next prime is 10210310003239. The reversal of 10210310003221 is 12230001301201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6406522894321 + 3803787108900 = 2531111^2 + 1950330^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210310003221 - 23 = 10210310003213 is a prime.

It is a super-4 number, since 4×102103100032214 (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210310003195 and 10210310003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210310003251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6015436 + ... + 7523701.

It is an arithmetic number, because the mean of its divisors is an integer number (2552581074123).

Almost surely, 210210310003221 is an apocalyptic number.

It is an amenable number.

10210310003221 is a deficient number, since it is larger than the sum of its proper divisors (14293271).

10210310003221 is an equidigital number, since it uses as much as digits as its factorization.

10210310003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14293270.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10210310003221 its reverse (12230001301201), we get a palindrome (22440311304422).

The spelling of 10210310003221 in words is "ten trillion, two hundred ten billion, three hundred ten million, three thousand, two hundred twenty-one".

Divisors: 1 754133 13539137 10210310003221