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211300312211212 = 22719397181037991
BaseRepresentation
bin110000000010110100110000…
…000011001101111100001100
31000201011010001001200201220011
4300002310300003031330030
5210143421014411224322
62025222005014003004
762335641500262340
oct6002646003157414
91021133031621804
10211300312211212
1161365a60723454
121b8474bb046464
1390b96c30c67a3
143a26dbd96d620
151966615529677
hexc02d300cdf0c

211300312211212 has 24 divisors (see below), whose sum is σ = 444842762551040. Its totient is φ = 85791104205840.

The previous prime is 211300312211201. The next prime is 211300312211297. The reversal of 211300312211212 is 212112213003112.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198590518464 + ... + 198590519527.

Almost surely, 2211300312211212 is an apocalyptic number.

It is an amenable number.

211300312211212 is an abundant number, since it is smaller than the sum of its proper divisors (233542450339828).

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

211300312211212 is a wasteful number, since it uses less digits than its factorization.

211300312211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397181038021 (or 397181038019 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 211300312211212 its reverse (212112213003112), we get a palindrome (423412525214324).

The spelling of 211300312211212 in words is "two hundred eleven trillion, three hundred billion, three hundred twelve million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 397181037991 794362075982 1588724151964 2780267265937 5560534531874 7546439721829 11121069063748 15092879443658 30185758887316 52825078052803 105650156105606 211300312211212