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25123616093 is a prime number
BaseRepresentation
bin10111011001011110…
…111111010101011101
32101211220111221012202
4113121132333111131
5402423121203333
615312554141245
71546405133102
oct273136772535
971756457182
1025123616093
11a722698694
124a51a21825
1324a5028334
141304964aa9
159c098e5e8
hex5d97bf55d

25123616093 has 2 divisors, whose sum is σ = 25123616094. Its totient is φ = 25123616092.

The previous prime is 25123616071. The next prime is 25123616137. The reversal of 25123616093 is 39061632152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16487073604 + 8636542489 = 128402^2 + 92933^2 .

It is a cyclic number.

It is not a de Polignac number, because 25123616093 - 218 = 25123353949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25123616033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12561808046 + 12561808047.

It is an arithmetic number, because the mean of its divisors is an integer number (12561808047).

Almost surely, 225123616093 is an apocalyptic number.

It is an amenable number.

25123616093 is a deficient number, since it is larger than the sum of its proper divisors (1).

25123616093 is an equidigital number, since it uses as much as digits as its factorization.

25123616093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 25123616093 in words is "twenty-five billion, one hundred twenty-three million, six hundred sixteen thousand, ninety-three".