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44043320431 = 115717012151
BaseRepresentation
bin101001000001001011…
…111011110001101111
311012200110021111102001
4221001023323301233
51210200042223211
632122213113131
73116302022005
oct510113736157
9135613244361
1044043320431
1117751340580
1286520287a7
1341cb960c66
1421bb59aa75
15122b967ac1
hexa412fbc6f

44043320431 has 8 divisors (see below), whose sum is σ = 48131411328. Its totient is φ = 39969255000.

The previous prime is 44043320393. The next prime is 44043320437. The reversal of 44043320431 is 13402334044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44043320431 - 27 = 44043320303 is a prime.

It is a super-2 number, since 2×440433204312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44043320431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44043320437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3499795 + ... + 3512356.

It is an arithmetic number, because the mean of its divisors is an integer number (6016426416).

Almost surely, 244043320431 is an apocalyptic number.

44043320431 is a deficient number, since it is larger than the sum of its proper divisors (4088090897).

44043320431 is a wasteful number, since it uses less digits than its factorization.

44043320431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012733.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 44043320431 its reverse (13402334044), we get a palindrome (57445654475).

The spelling of 44043320431 in words is "forty-four billion, forty-three million, three hundred twenty thousand, four hundred thirty-one".

Divisors: 1 11 571 6281 7012151 77133661 4003938221 44043320431