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144442230413021 = 712119641694841
BaseRepresentation
bin100000110101111010010011…
…110101011001011011011101
3200221102112122101110212111022
4200311322103311121123131
5122413020141441204041
61231111502233333525
742265415056551662
oct4065722365313335
9627375571425438
10144442230413021
11420296735155a2
1214249a568672a5
136279ac8019328
1427950812b3a69
1511a74195a024b
hex835e93d596dd

144442230413021 has 8 divisors (see below), whose sum is σ = 147170830068288. Its totient is φ = 141732914148000.

The previous prime is 144442230412967. The next prime is 144442230413069. The reversal of 144442230413021 is 120314032244441.

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 144442230413021 - 214 = 144442230396637 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 (144442230413071) 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, 4820832440 + ... + 4820862401.

It is an arithmetic number, because the mean of its divisors is an integer number (18396353758536).

Almost surely, 2144442230413021 is an apocalyptic number.

It is an amenable number.

144442230413021 is a deficient number, since it is larger than the sum of its proper divisors (2728599655267).

144442230413021 is an equidigital number, since it uses as much as digits as its factorization.

144442230413021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9641695123.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 144442230413021 its reverse (120314032244441), we get a palindrome (264756262657462).

The spelling of 144442230413021 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred thirty million, four hundred thirteen thousand, twenty-one".

Divisors: 1 71 211 14981 9641694841 684560333711 2034397611451 144442230413021