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144743620807 = 1391041321013
BaseRepresentation
bin1000011011001101100…
…1000110000011000111
3111211121102122210011201
42012303121012003013
54332413331331212
6150254434043331
713312611322402
oct2066331060307
9454542583151
10144743620807
1156427000715
1224076419547
1310859586706
147011632d39
153b723d3b57
hex21b36460c7

144743620807 has 4 divisors (see below), whose sum is σ = 145784941960. Its totient is φ = 143702299656.

The previous prime is 144743620799. The next prime is 144743620849. The reversal of 144743620807 is 708026347441.

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 144743620807 - 23 = 144743620799 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 (144743620867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520660368 + ... + 520660645.

It is an arithmetic number, because the mean of its divisors is an integer number (36446235490).

Almost surely, 2144743620807 is an apocalyptic number.

144743620807 is a deficient number, since it is larger than the sum of its proper divisors (1041321153).

144743620807 is a wasteful number, since it uses less digits than its factorization.

144743620807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041321152.

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 144743620807 in words is "one hundred forty-four billion, seven hundred forty-three million, six hundred twenty thousand, eight hundred seven".

Divisors: 1 139 1041321013 144743620807