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57945396242 = 2235233240719
BaseRepresentation
bin110101111101110100…
…001001010000010010
312112120022111010020202
4311331310021100102
51422133010134432
642341510535202
74120640512166
oct657564112022
9175508433222
1057945396242
1122635735928
12b291967502
135605ba5116
142b39a62ca6
1517921a6462
hexd7dd09412

57945396242 has 16 divisors (see below), whose sum is σ = 90714850560. Its totient is φ = 27707604672.

The previous prime is 57945396209. The next prime is 57945396293. The reversal of 57945396242 is 24269354975.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 120359 + ... + 361077.

It is an arithmetic number, because the mean of its divisors is an integer number (5669678160).

Almost surely, 257945396242 is an apocalyptic number.

It is a pronic number, being equal to 240718×240719.

57945396242 is a deficient number, since it is larger than the sum of its proper divisors (32769454318).

57945396242 is a wasteful number, since it uses less digits than its factorization.

57945396242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245977.

The product of its digits is 16329600, while the sum is 56.

The spelling of 57945396242 in words is "fifty-seven billion, nine hundred forty-five million, three hundred ninety-six thousand, two hundred forty-two".

Divisors: 1 2 23 46 5233 10466 120359 240718 240719 481438 5536537 11073074 1259682527 2519365054 28972698121 57945396242