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557405727504755 = 5111481145500951
BaseRepresentation
bin111111010111101010010001…
…0011000100011100101110011
32201002121110121112120122102012
41332233110202120203211303
51041030013412220123010
65253300353421113135
7225260143360632653
oct17657244230434563
92632543545518365
10557405727504755
111516744947036a8
1252624b6a3b87ab
131ac0419982b88c
149b9081c9b8363
1544696073b4005
hex1faf522623973

557405727504755 has 4 divisors (see below), whose sum is σ = 668886873005712. Its totient is φ = 445924582003800.

The previous prime is 557405727504749. The next prime is 557405727504809.

557405727504755 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 557405727504755 - 226 = 557405660395891 is a prime.

It is a super-2 number, since 2×5574057275047552 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55740572750471 + ... + 55740572750480.

It is an arithmetic number, because the mean of its divisors is an integer number (167221718251428).

Almost surely, 2557405727504755 is an apocalyptic number.

557405727504755 is a deficient number, since it is larger than the sum of its proper divisors (111481145500957).

557405727504755 is a wasteful number, since it uses less digits than its factorization.

557405727504755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111481145500956.

The product of its (nonzero) digits is 1200500000, while the sum is 68.

The spelling of 557405727504755 in words is "five hundred fifty-seven trillion, four hundred five billion, seven hundred twenty-seven million, five hundred four thousand, seven hundred fifty-five".

Divisors: 1 5 111481145500951 557405727504755