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144343431233 = 774118646613
BaseRepresentation
bin1000011001101110001…
…0011111100001000001
3111210120112122001021122
42012123202133201001
54331103404244413
6150151020402025
713266651631061
oct2063342374101
9453515561248
10144343431233
1156241116331
1223b843a6315
13107c46a9a51
146db441d3a1
153b4c1d4108
hex219b89f841

144343431233 has 4 divisors (see below), whose sum is σ = 144362085588. Its totient is φ = 144324776880.

The previous prime is 144343431217. The next prime is 144343431259. The reversal of 144343431233 is 332134343441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9513466369 + 134829964864 = 97537^2 + 367192^2 .

It is a cyclic number.

It is not a de Polignac number, because 144343431233 - 24 = 144343431217 is a prime.

It is a super-2 number, since 2×1443434312332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144343431193 and 144343431202.

It is not an unprimeable number, because it can be changed into a prime (144343431833) 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, 9315566 + ... + 9331047.

It is an arithmetic number, because the mean of its divisors is an integer number (36090521397).

Almost surely, 2144343431233 is an apocalyptic number.

It is an amenable number.

144343431233 is a deficient number, since it is larger than the sum of its proper divisors (18654355).

144343431233 is an equidigital number, since it uses as much as digits as its factorization.

144343431233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18654354.

The product of its digits is 124416, while the sum is 35.

Adding to 144343431233 its reverse (332134343441), we get a palindrome (476477774674).

The spelling of 144343431233 in words is "one hundred forty-four billion, three hundred forty-three million, four hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 7741 18646613 144343431233