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144665252089 = 476759817681
BaseRepresentation
bin1000011010111010111…
…0001001000011111001
3111211101222012020111121
42012232232021003321
54332233301031324
6150242554225241
713310640232231
oct2065656110371
9454358166447
10144665252089
1156396844086
1224054125221
13108462779a7
147005072cc1
153b6a5a35e4
hex21aeb890f9

144665252089 has 16 divisors (see below), whose sum is σ = 149992955136. Its totient is φ = 139432550400.

The previous prime is 144665252063. The next prime is 144665252093. The reversal of 144665252089 is 980252566441.

144665252089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144665252089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144665252099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18830329 + ... + 18838009.

It is an arithmetic number, because the mean of its divisors is an integer number (9374559696).

Almost surely, 2144665252089 is an apocalyptic number.

It is an amenable number.

144665252089 is a deficient number, since it is larger than the sum of its proper divisors (5327703047).

144665252089 is an equidigital number, since it uses as much as digits as its factorization.

144665252089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13776.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 144665252089 in words is "one hundred forty-four billion, six hundred sixty-five million, two hundred fifty-two thousand, eighty-nine".

Divisors: 1 47 67 3149 5981 7681 281107 361007 400727 514627 18834169 24187469 45940061 2159182867 3077984087 144665252089