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144531334201 = 306049472249
BaseRepresentation
bin1000011010011010111…
…1010010010000111001
3111211001122012111200211
42012212233102100321
54332000010143301
6150221412031121
713304423033122
oct2064657222071
9454048174624
10144531334201
1156328196641
12240173024a1
13108245b9b37
146dd1373049
153b5d94e051
hex21a6bd2439

144531334201 has 4 divisors (see below), whose sum is σ = 144532112500. Its totient is φ = 144530555904.

The previous prime is 144531334183. The next prime is 144531334223. The reversal of 144531334201 is 102433135441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14556663801 + 129974670400 = 120651^2 + 360520^2 .

It is a cyclic number.

It is not a de Polignac number, because 144531334201 - 215 = 144531301433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144532334201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69925 + ... + 542173.

It is an arithmetic number, because the mean of its divisors is an integer number (36133028125).

Almost surely, 2144531334201 is an apocalyptic number.

It is an amenable number.

144531334201 is a deficient number, since it is larger than the sum of its proper divisors (778299).

144531334201 is an equidigital number, since it uses as much as digits as its factorization.

144531334201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778298.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 144531334201 its reverse (102433135441), we get a palindrome (246964469642).

The spelling of 144531334201 in words is "one hundred forty-four billion, five hundred thirty-one million, three hundred thirty-four thousand, two hundred one".

Divisors: 1 306049 472249 144531334201