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213313021131210 = 23571121337101172801
BaseRepresentation
bin110000100000000111001110…
…110110011011100111001010
31000222021112012012121121121220
4300200013032312123213022
5210424410031402144320
62033402352111142510
762634233342646330
oct6040071666334712
91028245165547556
10213313021131210
1161a715a9407a00
121bb115ab214a36
139204440635b60
143a96596257b50
15199db6410ce40
hexc201ced9b9ca

213313021131210 has 768 divisors, whose sum is σ = 718347679386624. Its totient is φ = 39414988800000.

The previous prime is 213313021131187. The next prime is 213313021131239. The reversal of 213313021131210 is 12131120313312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1234356810 + ... + 1234529610.

It is an arithmetic number, because the mean of its divisors is an integer number (935348540868).

Almost surely, 2213313021131210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213313021131210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359173839693312).

213313021131210 is an abundant number, since it is smaller than the sum of its proper divisors (505034658255414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213313021131210 is a wasteful number, since it uses less digits than its factorization.

213313021131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172991 (or 172980 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 213313021131210 its reverse (12131120313312), we get a palindrome (225444141444522).

The spelling of 213313021131210 in words is "two hundred thirteen trillion, three hundred thirteen billion, twenty-one million, one hundred thirty-one thousand, two hundred ten".