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213886011 = 3371926901
BaseRepresentation
bin11001011111110…
…10010000111011
3112220110112110010
430233322100323
5414223323021
633120153003
75205000243
oct1457722073
9486415403
10213886011
11aa8077a9
125b768763
1335409891
1420598b23
1513b9d976
hexcbfa43b

213886011 has 8 divisors (see below), whose sum is σ = 292889104. Its totient is φ = 138736800.

The previous prime is 213886003. The next prime is 213886037. The reversal of 213886011 is 110688312.

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

It is not a de Polignac number, because 213886011 - 23 = 213886003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213886011.

It is not an unprimeable number, because it can be changed into a prime (213886411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963340 + ... + 963561.

It is an arithmetic number, because the mean of its divisors is an integer number (36611138).

Almost surely, 2213886011 is an apocalyptic number.

213886011 is a deficient number, since it is larger than the sum of its proper divisors (79003093).

213886011 is a wasteful number, since it uses less digits than its factorization.

213886011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926941.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 213886011 is about 14624.8422555595. The cubic root of 213886011 is about 598.0361821562.

The spelling of 213886011 in words is "two hundred thirteen million, eight hundred eighty-six thousand, eleven".

Divisors: 1 3 37 111 1926901 5780703 71295337 213886011