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557438834755 = 51116603610447
BaseRepresentation
bin10000001110010011111…
…00011001100001000011
31222021211212111211202201
420013021330121201003
533113113320203010
61104030040454031
755162565626105
oct10071174314103
91867755454681
10557438834755
111a5454765170
129005117a317
13407490b136a
141cda18a3575
15e7785c723a
hex81c9f19843

557438834755 has 16 divisors (see below), whose sum is σ = 729783258624. Its totient is φ = 405384979680.

The previous prime is 557438834723. The next prime is 557438834759.

It is a happy number.

557438834755 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 557438834755 - 25 = 557438834723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557438834759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607942 + ... + 1218388.

It is an arithmetic number, because the mean of its divisors is an integer number (45611453664).

Almost surely, 2557438834755 is an apocalyptic number.

557438834755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

557438834755 is a deficient number, since it is larger than the sum of its proper divisors (172344423869).

557438834755 is a wasteful number, since it uses less digits than its factorization.

557438834755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627066.

The product of its digits is 282240000, while the sum is 64.

The spelling of 557438834755 in words is "five hundred fifty-seven billion, four hundred thirty-eight million, eight hundred thirty-four thousand, seven hundred fifty-five".

Divisors: 1 5 11 55 16603 83015 182633 610447 913165 3052235 6714917 33574585 10135251541 50676257705 111487766951 557438834755