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557440044755 = 51123440664067
BaseRepresentation
bin10000001110010100000…
…01000000111011010011
31222021211221210022120112
420013022001000323103
533113114122413010
61104030122431535
755162612125566
oct10071201007323
91867757708515
10557440044755
111a5455411270
12900516625ab
1340749416039
141cda1ada4dd
15e778765a05
hex81ca040ed3

557440044755 has 16 divisors (see below), whose sum is σ = 761467509504. Its totient is φ = 387784378080.

The previous prime is 557440044713. The next prime is 557440044853.

It is a happy number.

557440044755 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 557440044755 - 224 = 557423267539 is a prime.

It is a super-3 number, since 3×5574400447553 (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220330769 + ... + 220333298.

It is an arithmetic number, because the mean of its divisors is an integer number (47591719344).

Almost surely, 2557440044755 is an apocalyptic number.

557440044755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

557440044755 is a deficient number, since it is larger than the sum of its proper divisors (204027464749).

557440044755 is a wasteful number, since it uses less digits than its factorization.

557440044755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440664106.

The product of its (nonzero) digits is 7840000, while the sum is 50.

The spelling of 557440044755 in words is "five hundred fifty-seven billion, four hundred forty million, forty-four thousand, seven hundred fifty-five".

Divisors: 1 5 11 23 55 115 253 1265 440664067 2203320335 4847304737 10135273541 24236523685 50676367705 111488008951 557440044755