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5440160665021 = 19927337490779
BaseRepresentation
bin100111100101010001011…
…0110000000110110111101
3201021002000011001122212211
41033022202312000312331
51203112422112240041
615323101511100421
71101016152453115
oct117124266006675
921232004048784
105440160665021
111808182963a05
1273a40a971711
1330600ab49204
1414b43b5ba045
159679ec8b481
hex4f2a2d80dbd

5440160665021 has 4 divisors (see below), whose sum is σ = 5467498156000. Its totient is φ = 5412823174044.

The previous prime is 5440160665019. The next prime is 5440160665031. The reversal of 5440160665021 is 1205660610445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5440160665021 - 21 = 5440160665019 is a prime.

It is a super-3 number, since 3×54401606650213 (a number of 39 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440160665031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13668745191 + ... + 13668745588.

It is an arithmetic number, because the mean of its divisors is an integer number (1366874539000).

Almost surely, 25440160665021 is an apocalyptic number.

It is an amenable number.

5440160665021 is a deficient number, since it is larger than the sum of its proper divisors (27337490979).

5440160665021 is a wasteful number, since it uses less digits than its factorization.

5440160665021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27337490978.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 5440160665021 in words is "five trillion, four hundred forty billion, one hundred sixty million, six hundred sixty-five thousand, twenty-one".

Divisors: 1 199 27337490779 5440160665021