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144421323001 = 10310831129457
BaseRepresentation
bin1000011010000000101…
…1101000000011111001
3111210202222012100200221
42012200023220003321
54331233324314001
6150202442100041
713301615663554
oct2064013500371
9453688170627
10144421323001
115628108759a
1223ba64aa621
131080787c657
146dc08d769b
153b53e6d1a1
hex21a02e80f9

144421323001 has 8 divisors (see below), whose sum is σ = 145838061824. Its totient is φ = 143004864960.

The previous prime is 144421322999. The next prime is 144421323023. The reversal of 144421323001 is 100323124441.

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 144421323001 - 21 = 144421322999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144421323041) 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, 1050865 + ... + 1180321.

It is an arithmetic number, because the mean of its divisors is an integer number (18229757728).

Almost surely, 2144421323001 is an apocalyptic number.

It is an amenable number.

144421323001 is a deficient number, since it is larger than the sum of its proper divisors (1416738823).

144421323001 is a wasteful number, since it uses less digits than its factorization.

144421323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140391.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 144421323001 its reverse (100323124441), we get a palindrome (244744447442).

The spelling of 144421323001 in words is "one hundred forty-four billion, four hundred twenty-one million, three hundred twenty-three thousand, one".

Divisors: 1 103 10831 129457 1115593 13334071 1402148767 144421323001