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213211121002110 = 23257311853736091
BaseRepresentation
bin110000011110101000010101…
…001000010010011001111110
31000221220210011121112201021100
4300132220111020102121332
5210421222333434031420
62033243500425513530
762623665224103000
oct6036502510223176
91027823147481240
10213211121002110
1161a32368448780
121bab58b10428a6
1391c7951278b8a
143a9168aad8370
15199b19d18c190
hexc1ea1521267e

213211121002110 has 384 divisors, whose sum is σ = 706068868377600. Its totient is φ = 44251610860800.

The previous prime is 213211121002097. The next prime is 213211121002153. The reversal of 213211121002110 is 11200121112312.

It is a happy number.

213211121002110 is a `hidden beast` number, since 2 + 132 + 111 + 210 + 0 + 211 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 289285165 + ... + 290021255.

It is an arithmetic number, because the mean of its divisors is an integer number (1838721011400).

Almost surely, 2213211121002110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213211121002110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353034434188800).

213211121002110 is an abundant number, since it is smaller than the sum of its proper divisors (492857747375490).

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

213211121002110 is a wasteful number, since it uses less digits than its factorization.

213211121002110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736989 (or 736972 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 213211121002110 its reverse (11200121112312), we get a palindrome (224411242114422).

The spelling of 213211121002110 in words is "two hundred thirteen trillion, two hundred eleven billion, one hundred twenty-one million, two thousand, one hundred ten".