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210131235504124 = 221129164679651649
BaseRepresentation
bin101111110001110011111101…
…101001011111111111111100
31000120000100110002121200001121
4233301303331221133333330
5210020242232242112444
62022524542410520324
762155323622236244
oct5761637551377774
91016010402550047
10210131235504124
1160a5517a371a90
121b698a117360a4
1390333a126474c
1439c6598350b24
151945ee0546084
hexbf1cfda5fffc

210131235504124 has 24 divisors (see below), whose sum is σ = 414992722158000. Its totient is φ = 92220604922880.

The previous prime is 210131235504101. The next prime is 210131235504137. The reversal of 210131235504124 is 421405532131012.

It is a super-2 number, since 2×2101312355041242 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210131235504124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82339824549 + ... + 82339827100.

It is an arithmetic number, because the mean of its divisors is an integer number (17291363423250).

Almost surely, 2210131235504124 is an apocalyptic number.

It is an amenable number.

210131235504124 is a deficient number, since it is larger than the sum of its proper divisors (204861486653876).

210131235504124 is a wasteful number, since it uses less digits than its factorization.

210131235504124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164679651693 (or 164679651691 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 210131235504124 its reverse (421405532131012), we get a palindrome (631536767635136).

The spelling of 210131235504124 in words is "two hundred ten trillion, one hundred thirty-one billion, two hundred thirty-five million, five hundred four thousand, one hundred twenty-four".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 1276 164679651649 329359303298 658718606596 1811476168139 3622952336278 4775709897821 7245904672556 9551419795642 19102839591284 52532808876031 105065617752062 210131235504124