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212102020199 = 1921347522943
BaseRepresentation
bin1100010110001001000…
…0111111110001100111
3202021110202101000020202
43011202100333301213
511433341104121244
6241234402221115
721216041265506
oct3054220776147
9667422330222
10212102020199
1181a52074093
123513465479b
1317002653b84
14a3a149883d
1557b5b4804e
hex316243fc67

212102020199 has 8 divisors (see below), whose sum is σ = 223276170240. Its totient is φ = 200928958776.

The previous prime is 212102020189. The next prime is 212102020201. The reversal of 212102020199 is 991020201212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212102020199 - 220 = 212100971623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102020189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144122 + ... + 667064.

It is an arithmetic number, because the mean of its divisors is an integer number (27909521280).

Almost surely, 2212102020199 is an apocalyptic number.

212102020199 is a deficient number, since it is larger than the sum of its proper divisors (11174150041).

212102020199 is a wasteful number, since it uses less digits than its factorization.

212102020199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544309.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 212102020199 in words is "two hundred twelve billion, one hundred two million, twenty thousand, one hundred ninety-nine".

Divisors: 1 19 21347 405593 522943 9935917 11163264221 212102020199