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144044333021321 = 255156465830271
BaseRepresentation
bin100000110000000111101111…
…010011010011100010001001
3200220000111121020100001211222
4200300013233103103202021
5122340010243223140241
61230205015243331425
742224600565540215
oct4060075723234211
9626014536301758
10144044333021321
1141995949842a07
12141a490b820b75
13624b4261a0115
14277dad6479945
15119bdcc586a4b
hex8301ef4d3889

144044333021321 has 4 divisors (see below), whose sum is σ = 144100798854144. Its totient is φ = 143987867188500.

The previous prime is 144044333021317. The next prime is 144044333021339. The reversal of 144044333021321 is 123120333440441.

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.

It is a cyclic number.

It is not a de Polignac number, because 144044333021321 - 22 = 144044333021317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144044333021311) 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, 28232912585 + ... + 28232917686.

It is an arithmetic number, because the mean of its divisors is an integer number (36025199713536).

Almost surely, 2144044333021321 is an apocalyptic number.

It is an amenable number.

144044333021321 is a deficient number, since it is larger than the sum of its proper divisors (56465832823).

144044333021321 is an equidigital number, since it uses as much as digits as its factorization.

144044333021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56465832822.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 144044333021321 its reverse (123120333440441), we get a palindrome (267164666461762).

The spelling of 144044333021321 in words is "one hundred forty-four trillion, forty-four billion, three hundred thirty-three million, twenty-one thousand, three hundred twenty-one".

Divisors: 1 2551 56465830271 144044333021321