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444321323123444 = 221352561162566177
BaseRepresentation
bin110010100000110111001111…
…0101000011000001011110100
32011021012200222222000202112022
41211001232132220120023310
5431214230032204422234
64212554221543012312
7162406104410340404
oct14501563650301364
92137180888022468
10444321323123444
111196356845198a8
1241a0054813a098
13160c042328a440
147ba13a40aa804
153657c3d48be2e
hex1941b9ea182f4

444321323123444 has 24 divisors (see below), whose sum is σ = 837390737907528. Its totient is φ = 205067477053440.

The previous prime is 444321323123441. The next prime is 444321323123467.

444321323123444 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 8279603404900 + 436041719718544 = 2877430^2 + 20881612^2 .

It is a super-2 number, since 2×4443213231234442 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444321323123395 and 444321323123404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444321323123441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78549917 + ... + 84016260.

It is an arithmetic number, because the mean of its divisors is an integer number (34891280746147).

Almost surely, 2444321323123444 is an apocalyptic number.

It is an amenable number.

444321323123444 is a deficient number, since it is larger than the sum of its proper divisors (393069414784084).

444321323123444 is a wasteful number, since it uses less digits than its factorization.

444321323123444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162618755 (or 162618753 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 44.

The spelling of 444321323123444 in words is "four hundred forty-four trillion, three hundred twenty-one billion, three hundred twenty-three million, one hundred twenty-three thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 52561 105122 210244 683293 1366586 2733172 162566177 325132354 650264708 2113360301 4226720602 8453441204 8544640829297 17089281658594 34178563317188 111080330780861 222160661561722 444321323123444