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211020210199 = 2834571631629
BaseRepresentation
bin1100010010000111001…
…0001110000000010111
3202011200100202100220201
43010201302032000113
511424132133211244
6240535155241331
721150164122501
oct3044162160027
9664610670821
10211020210199
1181547453237
1234a922a9247
1316b8c4a1806
14a2db932d71
155750ba6ad4
hex3121c8e017

211020210199 has 8 divisors (see below), whose sum is σ = 212229377360. Its totient is φ = 209814307776.

The previous prime is 211020210161. The next prime is 211020210211. The reversal of 211020210199 is 991012020112.

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 211020210199 - 213 = 211020202007 is a prime.

It is a super-2 number, since 2×2110202101992 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020210109) 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, 686484 + ... + 945145.

It is an arithmetic number, because the mean of its divisors is an integer number (26528672170).

Almost surely, 2211020210199 is an apocalyptic number.

211020210199 is a deficient number, since it is larger than the sum of its proper divisors (1209167161).

211020210199 is a wasteful number, since it uses less digits than its factorization.

211020210199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632369.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 211020210199 in words is "two hundred eleven billion, twenty million, two hundred ten thousand, one hundred ninety-nine".

Divisors: 1 283 457 129331 1631629 461751007 745654453 211020210199