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57112521752197 is a prime number
BaseRepresentation
bin11001111110001100010111…
…00100100011111010000101
321111012220101211122111120201
430333012023210203322011
524441212421032032242
6321245044050330501
715013146346665112
oct1477061344437205
9244186354574521
1057112521752197
111721a31467726a
1264a4957b89a31
1325b38c2b22762
1410163918d7909
15690963a2c4b7
hex33f18b923e85

57112521752197 has 2 divisors, whose sum is σ = 57112521752198. Its totient is φ = 57112521752196.

The previous prime is 57112521752161. The next prime is 57112521752233. The reversal of 57112521752197 is 79125712521175.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (57112521752161) and next prime (57112521752233).

It can be written as a sum of positive squares in only one way, i.e., 54489657287521 + 2622864464676 = 7381711^2 + 1619526^2 .

It is a cyclic number.

It is not a de Polignac number, because 57112521752197 - 223 = 57112513363589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57112521752497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28556260876098 + 28556260876099.

It is an arithmetic number, because the mean of its divisors is an integer number (28556260876099).

Almost surely, 257112521752197 is an apocalyptic number.

It is an amenable number.

57112521752197 is a deficient number, since it is larger than the sum of its proper divisors (1).

57112521752197 is an equidigital number, since it uses as much as digits as its factorization.

57112521752197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3087000, while the sum is 55.

The spelling of 57112521752197 in words is "fifty-seven trillion, one hundred twelve billion, five hundred twenty-one million, seven hundred fifty-two thousand, one hundred ninety-seven".