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544431465057 = 3181477155019
BaseRepresentation
bin1111110110000101010…
…01001110001001100001
31221001021100211222222110
413323002221032021201
532404443423340212
61054035223425533
754222343045344
oct7730251161141
91831240758873
10544431465057
1119a98a406857
1289620bb52a9
133c45532c0bc
141c4ca17a45b
15e2666bba3c
hex7ec2a4e261

544431465057 has 4 divisors (see below), whose sum is σ = 725908620080. Its totient is φ = 362954310036.

The previous prime is 544431465007. The next prime is 544431465073. The reversal of 544431465057 is 750564134445.

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 not a de Polignac number, because 544431465057 - 224 = 544414687841 is a prime.

It is a super-2 number, since 2×5444314650572 (a number of 24 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 = 544431464997 and 544431465015.

It is not an unprimeable number, because it can be changed into a prime (544431465007) 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, 90738577507 + ... + 90738577512.

It is an arithmetic number, because the mean of its divisors is an integer number (181477155020).

Almost surely, 2544431465057 is an apocalyptic number.

It is an amenable number.

544431465057 is a deficient number, since it is larger than the sum of its proper divisors (181477155023).

544431465057 is a wasteful number, since it uses less digits than its factorization.

544431465057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181477155022.

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 544431465057 in words is "five hundred forty-four billion, four hundred thirty-one million, four hundred sixty-five thousand, fifty-seven".

Divisors: 1 3 181477155019 544431465057