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44945744881 = 1272441144983
BaseRepresentation
bin101001110110111110…
…011010001111110001
311022000100100102000211
4221312332122033301
51214022102314011
632351531144121
73150540346042
oct516676321761
9138010312024
1044945744881
1118074779404
1288642a5041
1343138c601b
1422653888c9
151280cc2b21
hexa76f9a3f1

44945744881 has 8 divisors (see below), whose sum is σ = 45318518784. Its totient is φ = 44573266080.

The previous prime is 44945744873. The next prime is 44945744891. The reversal of 44945744881 is 18844754944.

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 44945744881 - 23 = 44945744873 is a prime.

It is a super-2 number, since 2×449457448812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44945744891) 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, 237516 + ... + 382498.

It is an arithmetic number, because the mean of its divisors is an integer number (5664814848).

Almost surely, 244945744881 is an apocalyptic number.

It is an amenable number.

44945744881 is a deficient number, since it is larger than the sum of its proper divisors (372773903).

44945744881 is a wasteful number, since it uses less digits than its factorization.

44945744881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147551.

The product of its digits is 20643840, while the sum is 58.

The spelling of 44945744881 in words is "forty-four billion, nine hundred forty-five million, seven hundred forty-four thousand, eight hundred eighty-one".

Divisors: 1 127 2441 144983 310007 18412841 353903503 44945744881