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57022542081 = 351015123117
BaseRepresentation
bin110101000110110011…
…101111000100000001
312110011222222021100000
4311012303233010001
51413240232321311
642110142550213
74056033416241
oct650663570401
9173158867300
1057022542081
112220181393a
12b074898369
1354b993917b
142a8d277b21
15173b163056
hexd46cef101

57022542081 has 24 divisors (see below), whose sum is σ = 85428592704. Its totient is φ = 38009638800.

The previous prime is 57022542041. The next prime is 57022542091. The reversal of 57022542081 is 18024522075.

It is a happy number.

57022542081 is a `hidden beast` number, since 5 + 7 + 0 + 225 + 420 + 8 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2k-57022542081 is a prime.

It is a super-2 number, since 2×570225420812 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57022542041) 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 23 ways as a sum of consecutive naturals, for example, 2455135 + ... + 2478251.

It is an arithmetic number, because the mean of its divisors is an integer number (3559524696).

Almost surely, 257022542081 is an apocalyptic number.

It is an amenable number.

57022542081 is a deficient number, since it is larger than the sum of its proper divisors (28406050623).

57022542081 is a wasteful number, since it uses less digits than its factorization.

57022542081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33283 (or 33271 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 57022542081 in words is "fifty-seven billion, twenty-two million, five hundred forty-two thousand, eighty-one".

Divisors: 1 3 9 27 81 243 10151 23117 30453 69351 91359 208053 274077 624159 822231 1872477 2466693 5617431 234660667 703982001 2111946003 6335838009 19007514027 57022542081