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44532020431 = 192343790549
BaseRepresentation
bin101001011110010100…
…001011010011001111
311020221111212000210001
4221132110023103033
51212200144123211
632242511425131
73134354633233
oct513624132317
9136844760701
1044532020431
111798218a078
1287698251a7
134278c8a862
1422264505c3
1512597ecac1
hexa5e50b4cf

44532020431 has 4 divisors (see below), whose sum is σ = 46875811000. Its totient is φ = 42188229864.

The previous prime is 44532020417. The next prime is 44532020437. The reversal of 44532020431 is 13402023544.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 44532020431 - 211 = 44532018383 is a prime.

It is a super-3 number, since 3×445320204313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44532020431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44532020437) 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 in 3 ways as a sum of consecutive naturals, for example, 1171895256 + ... + 1171895293.

It is an arithmetic number, because the mean of its divisors is an integer number (11718952750).

Almost surely, 244532020431 is an apocalyptic number.

44532020431 is a deficient number, since it is larger than the sum of its proper divisors (2343790569).

44532020431 is a wasteful number, since it uses less digits than its factorization.

44532020431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343790568.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 44532020431 its reverse (13402023544), we get a palindrome (57934043975).

The spelling of 44532020431 in words is "forty-four billion, five hundred thirty-two million, twenty thousand, four hundred thirty-one".

Divisors: 1 19 2343790549 44532020431