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44001404031 = 3135919122731
BaseRepresentation
bin101000111110101100…
…000010010001111111
311012120112101220220210
4220332230002101333
51210103324412111
632114114443503
73115252522524
oct507654022177
9135515356823
1044001404031
111772a711122
12863bb93593
1341c3076060
1421b5ba914b
151227e380a6
hexa3eb0247f

44001404031 has 16 divisors (see below), whose sum is σ = 64252379520. Its totient is φ = 26618840160.

The previous prime is 44001404023. The next prime is 44001404093. The reversal of 44001404031 is 13040410044.

It is not a de Polignac number, because 44001404031 - 23 = 44001404023 is a prime.

It is a super-2 number, since 2×440014040312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44001403989 and 44001404007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44001484031) 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 15 ways as a sum of consecutive naturals, for example, 9559065 + ... + 9563666.

It is an arithmetic number, because the mean of its divisors is an integer number (4015773720).

Almost surely, 244001404031 is an apocalyptic number.

44001404031 is a deficient number, since it is larger than the sum of its proper divisors (20250975489).

44001404031 is a wasteful number, since it uses less digits than its factorization.

44001404031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19122806.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 44001404031 its reverse (13040410044), we get a palindrome (57041814075).

The spelling of 44001404031 in words is "forty-four billion, one million, four hundred four thousand, thirty-one".

Divisors: 1 3 13 39 59 177 767 2301 19122731 57368193 248595503 745786509 1128241129 3384723387 14667134677 44001404031