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144420224351 = 1311109248027
BaseRepresentation
bin1000011010000000011…
…1011011110101011111
3111210202220010112122012
42012200013123311133
54331233034134401
6150202402341435
713301603436524
oct2064007336537
9453686115565
10144420224351
11562804a7117
1223ba605a87b
1310807586570
146dc06cd14b
153b53d028bb
hex21a01dbd5f

144420224351 has 4 divisors (see below), whose sum is σ = 155529472392. Its totient is φ = 133310976312.

The previous prime is 144420224297. The next prime is 144420224353. The reversal of 144420224351 is 153422024441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144420224351 - 218 = 144419962207 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 (144420224353) 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, 5554624001 + ... + 5554624026.

It is an arithmetic number, because the mean of its divisors is an integer number (38882368098).

Almost surely, 2144420224351 is an apocalyptic number.

144420224351 is a deficient number, since it is larger than the sum of its proper divisors (11109248041).

144420224351 is a wasteful number, since it uses less digits than its factorization.

144420224351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11109248040.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 144420224351 its reverse (153422024441), we get a palindrome (297842248792).

The spelling of 144420224351 in words is "one hundred forty-four billion, four hundred twenty million, two hundred twenty-four thousand, three hundred fifty-one".

Divisors: 1 13 11109248027 144420224351