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44102132431 = 72900043519
BaseRepresentation
bin101001000100101100…
…010010001011001111
311012211112221110022021
4221010230102023033
51210310121214211
632132113431011
73120614640400
oct510454221317
9135745843267
1044102132431
111778155a935
12866986b467
13420abb3266
1421c53099a7
151231bd3771
hexa44b122cf

44102132431 has 6 divisors (see below), whose sum is σ = 51302480640. Its totient is φ = 37801827756.

The previous prime is 44102132413. The next prime is 44102132533. The reversal of 44102132431 is 13423120144.

It is not a de Polignac number, because 44102132431 - 29 = 44102131919 is a prime.

It is a super-2 number, since 2×441021324312 (a number of 22 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 = 44102132396 and 44102132405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44102132231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 450021711 + ... + 450021808.

It is an arithmetic number, because the mean of its divisors is an integer number (8550413440).

Almost surely, 244102132431 is an apocalyptic number.

44102132431 is a deficient number, since it is larger than the sum of its proper divisors (7200348209).

44102132431 is an equidigital number, since it uses as much as digits as its factorization.

44102132431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900043533 (or 900043526 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 44102132431 its reverse (13423120144), we get a palindrome (57525252575).

The spelling of 44102132431 in words is "forty-four billion, one hundred two million, one hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 7 49 900043519 6300304633 44102132431