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210021231300313 = 1719056136483053
BaseRepresentation
bin101111110000001101100000…
…111000110000111011011001
31000112121211111201022010010211
4233300031200320300323121
5210011441440203102223
62022402231031011121
762144350620026626
oct5760154070607331
91015554451263124
10210021231300313
1160a1255a910554
121b67b631509aa1
139025bbcc252a4
1439c112079534d
151943202dbcd0d
hexbf0360e30ed9

210021231300313 has 8 divisors (see below), whose sum is σ = 222375572372808. Its totient is φ = 197666907005184.

The previous prime is 210021231300301. The next prime is 210021231300343. The reversal of 210021231300313 is 313003132120012.

210021231300313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 130992900615369 + 79028330684944 = 11445213^2 + 8889788^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210021231300313 - 221 = 210021229203161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210021231300343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29153895 + ... + 35636947.

It is an arithmetic number, because the mean of its divisors is an integer number (27796946546601).

Almost surely, 2210021231300313 is an apocalyptic number.

It is an amenable number.

210021231300313 is a deficient number, since it is larger than the sum of its proper divisors (12354341072495).

210021231300313 is a wasteful number, since it uses less digits than its factorization.

210021231300313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8388683.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 210021231300313 its reverse (313003132120012), we get a palindrome (523024363420325).

The spelling of 210021231300313 in words is "two hundred ten trillion, twenty-one billion, two hundred thirty-one million, three hundred thousand, three hundred thirteen".

Divisors: 1 17 1905613 6483053 32395421 110211901 12354190076489 210021231300313