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144242421013 = 3122512067073
BaseRepresentation
bin1000011001010110000…
…1001010110100010101
3111210022111120012022101
42012111201022310111
54330402024433023
6150133011402101
713264314230455
oct2062541126425
9453274505271
10144242421013
115619a0a4909
1223b565b3331
13107a97a14a2
146da4c47d65
153b433d01ad
hex219584ad15

144242421013 has 8 divisors (see below), whose sum is σ = 148961620736. Its totient is φ = 139527360000.

The previous prime is 144242420863. The next prime is 144242421041. The reversal of 144242421013 is 310124242441.

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 144242421013 - 233 = 135652486421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144242421913) 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, 963756 + ... + 1103317.

It is an arithmetic number, because the mean of its divisors is an integer number (18620202592).

Almost surely, 2144242421013 is an apocalyptic number.

It is an amenable number.

144242421013 is a deficient number, since it is larger than the sum of its proper divisors (4719199723).

144242421013 is a wasteful number, since it uses less digits than its factorization.

144242421013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069355.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 144242421013 its reverse (310124242441), we get a palindrome (454366663454).

The spelling of 144242421013 in words is "one hundred forty-four billion, two hundred forty-two million, four hundred twenty-one thousand, thirteen".

Divisors: 1 31 2251 69781 2067073 64079263 4652981323 144242421013