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25103000017 is a prime number
BaseRepresentation
bin10111011000010000…
…010110000111010001
32101210110201112021101
4113120100112013101
5402402332000032
615310540224401
71546034656654
oct273020260721
971713645241
1025103000017
11a711a97507
124a46b3b101
1324a098a684
141301d1989b
159bdc6ade7
hex5d84161d1

25103000017 has 2 divisors, whose sum is σ = 25103000018. Its totient is φ = 25103000016.

The previous prime is 25102999997. The next prime is 25103000029. The reversal of 25103000017 is 71000030152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21717622161 + 3385377856 = 147369^2 + 58184^2 .

It is a cyclic number.

It is not a de Polignac number, because 25103000017 - 219 = 25102475729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25102999958 and 25103000003.

It is not a weakly prime, because it can be changed into another prime (25103001017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12551500008 + 12551500009.

It is an arithmetic number, because the mean of its divisors is an integer number (12551500009).

Almost surely, 225103000017 is an apocalyptic number.

It is an amenable number.

25103000017 is a deficient number, since it is larger than the sum of its proper divisors (1).

25103000017 is an equidigital number, since it uses as much as digits as its factorization.

25103000017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

Adding to 25103000017 its reverse (71000030152), we get a palindrome (96103030169).

The spelling of 25103000017 in words is "twenty-five billion, one hundred three million, seventeen", and thus it is an aban number.