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97126380647 is a prime number
BaseRepresentation
bin101101001110100101…
…1101111010001100111
3100021200220102100120022
41122131023233101213
53042403323140042
6112341431225355
710005611420342
oct1323513572147
9307626370508
1097126380647
113821134537a
12169a751825b
13920b37746a
1449b5555459
1527d6d0bcd2
hex169d2ef467

97126380647 has 2 divisors, whose sum is σ = 97126380648. Its totient is φ = 97126380646.

The previous prime is 97126380629. The next prime is 97126380667. The reversal of 97126380647 is 74608362179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97126380647 - 28 = 97126380391 is a prime.

It is a super-2 number, since 2×971263806472 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97126380667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48563190323 + 48563190324.

It is an arithmetic number, because the mean of its divisors is an integer number (48563190324).

Almost surely, 297126380647 is an apocalyptic number.

97126380647 is a deficient number, since it is larger than the sum of its proper divisors (1).

97126380647 is an equidigital number, since it uses as much as digits as its factorization.

97126380647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 97126380647 in words is "ninety-seven billion, one hundred twenty-six million, three hundred eighty thousand, six hundred forty-seven".