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210120021210231 = 321131923199401503
BaseRepresentation
bin101111110001101001100001…
…001110010111010001110111
31000112222021111112221111212100
4233301221201032113101313
5210020101300412211411
62022515445525353143
762154446001303666
oct5761514116272167
91015867445844770
10210120021210231
1160a50445179000
121b696801b687b3
139032304b199a2
1439c5c12c1addd
151945a85c77456
hexbf1a61397477

210120021210231 has 384 divisors, whose sum is σ = 370179403776000. Its totient is φ = 114303809664000.

The previous prime is 210120021210173. The next prime is 210120021210329. The reversal of 210120021210231 is 132012120021012.

210120021210231 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 200 + 21 + 210 + 231 = 666.

It is not a de Polignac number, because 210120021210231 - 227 = 210119886992503 is a prime.

It is a super-2 number, since 2×2101200212102312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120021210131) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 417733640326 + ... + 417733640828.

It is an arithmetic number, because the mean of its divisors is an integer number (964008864000).

Almost surely, 2210120021210231 is an apocalyptic number.

210120021210231 is a deficient number, since it is larger than the sum of its proper divisors (160059382565769).

210120021210231 is a wasteful number, since it uses less digits than its factorization.

210120021210231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 210120021210231 its reverse (132012120021012), we get a palindrome (342132141231243).

The spelling of 210120021210231 in words is "two hundred ten trillion, one hundred twenty billion, twenty-one million, two hundred ten thousand, two hundred thirty-one".