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141231205 = 546361007
BaseRepresentation
bin10000110101100…
…00010001100101
3100211202021210101
420122300101211
5242123344310
622003024101
73333305533
oct1032602145
9324667711
10141231205
11727a3105
123b36b031
132334b87b
1414a85153
15c5eb43a
hex86b0465

141231205 has 8 divisors (see below), whose sum is σ = 169846272. Its totient is φ = 112739088.

The previous prime is 141231197. The next prime is 141231253. The reversal of 141231205 is 502132141.

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 141231205 - 23 = 141231197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28189 + ... + 32818.

It is an arithmetic number, because the mean of its divisors is an integer number (21230784).

Almost surely, 2141231205 is an apocalyptic number.

It is an amenable number.

141231205 is a deficient number, since it is larger than the sum of its proper divisors (28615067).

141231205 is an equidigital number, since it uses as much as digits as its factorization.

141231205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61475.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 141231205 is about 11884.0735861067. The cubic root of 141231205 is about 520.7671185085.

Adding to 141231205 its reverse (502132141), we get a palindrome (643363346).

The spelling of 141231205 in words is "one hundred forty-one million, two hundred thirty-one thousand, two hundred five".

Divisors: 1 5 463 2315 61007 305035 28246241 141231205