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107288827621 is a prime number
BaseRepresentation
bin110001111101011101…
…0011001011011100101
3101020221010212011001021
41203322322121123211
53224211414440441
6121142055531141
710515500662543
oct1437272313345
9336833764037
10107288827621
1141556823188
1218962989ab1
13a16a9010b1
14529b0c2d93
152bce0a73d1
hex18fae996e5

107288827621 has 2 divisors, whose sum is σ = 107288827622. Its totient is φ = 107288827620.

The previous prime is 107288827603. The next prime is 107288827699. The reversal of 107288827621 is 126728882701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59465261025 + 47823566596 = 243855^2 + 218686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-107288827621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107288827601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53644413810 + 53644413811.

It is an arithmetic number, because the mean of its divisors is an integer number (53644413811).

Almost surely, 2107288827621 is an apocalyptic number.

It is an amenable number.

107288827621 is a deficient number, since it is larger than the sum of its proper divisors (1).

107288827621 is an equidigital number, since it uses as much as digits as its factorization.

107288827621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1204224, while the sum is 52.

The spelling of 107288827621 in words is "one hundred seven billion, two hundred eighty-eight million, eight hundred twenty-seven thousand, six hundred twenty-one".