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144748847441 = 1117973513889
BaseRepresentation
bin1000011011001110110…
…1000010000101010001
3111211121210111022202202
42012303231002011101
54332421201104231
6150255142052545
713313003621402
oct2066355020521
9454553438682
10144748847441
1156429a50550
122407811a155
131085a6966b3
1470121d39a9
153b72ab75cb
hex21b3b42151

144748847441 has 8 divisors (see below), whose sum is σ = 158790002400. Its totient is φ = 130854720640.

The previous prime is 144748847351. The next prime is 144748847449.

144748847441 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144748847441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144748847449) 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, 36754976 + ... + 36758913.

It is an arithmetic number, because the mean of its divisors is an integer number (19848750300).

Almost surely, 2144748847441 is an apocalyptic number.

144748847441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144748847441 is a deficient number, since it is larger than the sum of its proper divisors (14041154959).

144748847441 is a wasteful number, since it uses less digits than its factorization.

144748847441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73514079.

The product of its digits is 12845056, while the sum is 56.

The spelling of 144748847441 in words is "one hundred forty-four billion, seven hundred forty-eight million, eight hundred forty-seven thousand, four hundred forty-one".

Divisors: 1 11 179 1969 73513889 808652779 13158986131 144748847441