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57242073011 is a prime number
BaseRepresentation
bin110101010011111001…
…001011011110110011
312110202022001121011012
4311103321023132303
51414212432314021
642144024141135
74064340410144
oct652371133663
9173668047135
1057242073011
1122304726762
12b1163077ab
135523271226
142ab04a1acb
15175057935b
hexd53e4b7b3

57242073011 has 2 divisors, whose sum is σ = 57242073012. Its totient is φ = 57242073010.

The previous prime is 57242073001. The next prime is 57242073019. The reversal of 57242073011 is 11037024275.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57242073011 is a prime.

It is a super-3 number, since 3×572420730113 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (57242073019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28621036505 + 28621036506.

It is an arithmetic number, because the mean of its divisors is an integer number (28621036506).

Almost surely, 257242073011 is an apocalyptic number.

57242073011 is a deficient number, since it is larger than the sum of its proper divisors (1).

57242073011 is an equidigital number, since it uses as much as digits as its factorization.

57242073011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

Adding to 57242073011 its reverse (11037024275), we get a palindrome (68279097286).

The spelling of 57242073011 in words is "fifty-seven billion, two hundred forty-two million, seventy-three thousand, eleven".