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557122457042 = 25277892
BaseRepresentation
bin10000001101101110001…
…01100000110111010010
31222021000211012012010122
420012313011200313102
533111441322111132
61103534415430242
755152004515104
oct10066705406722
91867024165118
10557122457042
111a5302114988
128bb83225382
13406c869ab08
141cd71869574
15e75a930912
hex81b7160dd2

557122457042 has 6 divisors (see below), whose sum is σ = 835685268933. Its totient is φ = 278560700732.

The previous prime is 557122457033. The next prime is 557122457071. The reversal of 557122457042 is 240754221755.

It can be written as a sum of positive squares in 2 ways, for example, as 550862324401 + 6260132641 = 742201^2 + 79121^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=527789.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557122456984 and 557122457002.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 791684 + ... + 1319472.

Almost surely, 2557122457042 is an apocalyptic number.

557122457042 is a deficient number, since it is larger than the sum of its proper divisors (278562811891).

557122457042 is an frugal number, since it uses more digits than its factorization.

557122457042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055580 (or 527791 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 44.

Adding to 557122457042 its reverse (240754221755), we get a palindrome (797876678797).

The spelling of 557122457042 in words is "five hundred fifty-seven billion, one hundred twenty-two million, four hundred fifty-seven thousand, forty-two".

Divisors: 1 2 527789 1055578 278561228521 557122457042