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144414340121 = 321247449543
BaseRepresentation
bin1000011001111111000…
…0111111010000011001
3111210202111001120222202
42012133300333100121
54331230032340441
6150202032255545
713301502431402
oct2063760772031
9453674046882
10144414340121
1156278148217
1223ba40a15b5
13108062a617c
146dbd9da9a9
153b5353e19b
hex219fc3f419

144414340121 has 4 divisors (see below), whose sum is σ = 144415110912. Its totient is φ = 144413569332.

The previous prime is 144414340097. The next prime is 144414340141. The reversal of 144414340121 is 121043414441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144414340121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144414340141) 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, 96476 + ... + 546018.

It is an arithmetic number, because the mean of its divisors is an integer number (36103777728).

Almost surely, 2144414340121 is an apocalyptic number.

It is an amenable number.

144414340121 is a deficient number, since it is larger than the sum of its proper divisors (770791).

144414340121 is an equidigital number, since it uses as much as digits as its factorization.

144414340121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770790.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 144414340121 its reverse (121043414441), we get a palindrome (265457754562).

The spelling of 144414340121 in words is "one hundred forty-four billion, four hundred fourteen million, three hundred forty thousand, one hundred twenty-one".

Divisors: 1 321247 449543 144414340121