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44120103213 = 3172137371447
BaseRepresentation
bin101001000101110000…
…110101100100101101
311012212210202110120210
4221011300311210231
51210324221300323
632133554533033
73121223455344
oct510560654455
9135783673523
1044120103213
111779071461a
128673897179
134211835b64
1421c7866b5b
151233583293
hexa45c3592d

44120103213 has 24 divisors (see below), whose sum is σ = 62947063872. Its totient is φ = 27481060864.

The previous prime is 44120103199. The next prime is 44120103221. The reversal of 44120103213 is 31230102144.

It is not a de Polignac number, because 44120103213 - 24 = 44120103197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44120103213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44120103263) 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 23 ways as a sum of consecutive naturals, for example, 66945 + ... + 304502.

It is an arithmetic number, because the mean of its divisors is an integer number (2622794328).

Almost surely, 244120103213 is an apocalyptic number.

It is an amenable number.

44120103213 is a deficient number, since it is larger than the sum of its proper divisors (18826960659).

44120103213 is a wasteful number, since it uses less digits than its factorization.

44120103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371621 (or 371604 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 44120103213 its reverse (31230102144), we get a palindrome (75350205357).

The spelling of 44120103213 in words is "forty-four billion, one hundred twenty million, one hundred three thousand, two hundred thirteen".

Divisors: 1 3 17 51 137 289 411 867 2329 6987 39593 118779 371447 1114341 6314599 18943797 50888239 107348183 152664717 322044549 865100063 2595300189 14706701071 44120103213