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210132131 = 11181105541
BaseRepresentation
bin11001000011001…
…01110010100011
3112122101211002112
430201211302203
5412243212011
632503505535
75131044056
oct1441456243
9478354075
10210132131
11a8683420
125a4582ab
13346c4051
141dc9ca9d
15136ab58b
hexc865ca3

210132131 has 8 divisors (see below), whose sum is σ = 230503728. Its totient is φ = 189972000.

The previous prime is 210132127. The next prime is 210132137. The reversal of 210132131 is 131231012.

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 210132131 - 22 = 210132127 is a prime.

It is a super-2 number, since 2×2101321312 = 88311024957202322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210132137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50780 + ... + 54761.

It is an arithmetic number, because the mean of its divisors is an integer number (28812966).

Almost surely, 2210132131 is an apocalyptic number.

210132131 is a deficient number, since it is larger than the sum of its proper divisors (20371597).

210132131 is a wasteful number, since it uses less digits than its factorization.

210132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105733.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 210132131 is about 14495.9349819182. The cubic root of 210132131 is about 594.5168320526.

Adding to 210132131 its reverse (131231012), we get a palindrome (341363143).

The spelling of 210132131 in words is "two hundred ten million, one hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 11 181 1991 105541 1160951 19102921 210132131