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210431212332242 = 21154141849422479
BaseRepresentation
bin101111110110001011010101…
…101010010010010011010010
31000121002000201222221102221212
4233312023111222102103102
5210040201110324112432
62023314433035220122
762216103416222246
oct5766132552222322
91017060658842855
10210431212332242
1161060415481970
121b726b8b2a7642
13905576933c285
1439d6cd4380426
15194dbeab792b2
hexbf62d5a924d2

210431212332242 has 32 divisors (see below), whose sum is σ = 344987535456000. Its totient is φ = 95471240457600.

The previous prime is 210431212332203. The next prime is 210431212332317. The reversal of 210431212332242 is 242233212134012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210431212332199 and 210431212332208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497875559 + ... + 498298037.

It is an arithmetic number, because the mean of its divisors is an integer number (10780860483000).

Almost surely, 2210431212332242 is an apocalyptic number.

210431212332242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210431212332242 is a deficient number, since it is larger than the sum of its proper divisors (134556323123758).

210431212332242 is a wasteful number, since it uses less digits than its factorization.

210431212332242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464882.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 210431212332242 its reverse (242233212134012), we get a palindrome (452664424466254).

The spelling of 210431212332242 in words is "two hundred ten trillion, four hundred thirty-one billion, two hundred twelve million, three hundred thirty-two thousand, two hundred forty-two".

Divisors: 1 2 11 22 541 1082 5951 11902 41849 83698 422479 460339 844958 920678 4647269 9294538 22640309 45280618 228561139 249043399 457122278 498086798 2514172529 5028345058 17680323671 35360647342 194483560381 388967120762 9565055106011 19130110212022 105215606166121 210431212332242