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144338747899 = 2694349123379
BaseRepresentation
bin1000011001101101000…
…0101000000111111011
3111210120012211002221211
42012123100220013323
54331101204413044
6150150332143551
713266564054043
oct2063320500773
9453505732854
10144338747899
1156239507705
1223b82907bb7
13107c372a148
146db3960723
153b4baab634
hex219b4281fb

144338747899 has 8 divisors (see below), whose sum is σ = 144909810000. Its totient is φ = 143767941792.

The previous prime is 144338747879. The next prime is 144338747939. The reversal of 144338747899 is 998747833441.

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 144338747899 - 213 = 144338739707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144338747849) 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, 1108192 + ... + 1231570.

It is an arithmetic number, because the mean of its divisors is an integer number (18113726250).

Almost surely, 2144338747899 is an apocalyptic number.

144338747899 is a deficient number, since it is larger than the sum of its proper divisors (571062101).

144338747899 is a wasteful number, since it uses less digits than its factorization.

144338747899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127997.

The product of its digits is 146313216, while the sum is 67.

The spelling of 144338747899 in words is "one hundred forty-four billion, three hundred thirty-eight million, seven hundred forty-seven thousand, eight hundred ninety-nine".

Divisors: 1 269 4349 123379 1169881 33188951 536575271 144338747899