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144012021752 = 2318001502719
BaseRepresentation
bin1000011000011111001…
…0010000111111111000
3111202201110000200221102
42012013302100333320
54324414034144002
6150054101230532
713255515662504
oct2060762207770
9452643020842
10144012021752
11560910394a5
1223ab1402448
1310770b32571
146d823d1304
153b2d06da02
hex2187c90ff8

144012021752 has 8 divisors (see below), whose sum is σ = 270022540800. Its totient is φ = 72006010872.

The previous prime is 144012021737. The next prime is 144012021757. The reversal of 144012021752 is 257120210441.

144012021752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1440120217522 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144012021757) 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 as a sum of consecutive naturals, namely, 9000751352 + ... + 9000751367.

It is an arithmetic number, because the mean of its divisors is an integer number (33752817600).

Almost surely, 2144012021752 is an apocalyptic number.

It is an amenable number.

144012021752 is a deficient number, since it is larger than the sum of its proper divisors (126010519048).

144012021752 is a wasteful number, since it uses less digits than its factorization.

144012021752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18001502725 (or 18001502721 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The spelling of 144012021752 in words is "one hundred forty-four billion, twelve million, twenty-one thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 18001502719 36003005438 72006010876 144012021752