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248716386157 is a prime number
BaseRepresentation
bin1110011110100010100…
…1101101111101101101
3212202222110202111221211
43213220221231331231
513033332343324112
6310131515154421
723653265254231
oct3475051557555
9782873674854
10248716386157
1196530a09168
1240252745a11
131a5b9170485
14c0761585c1
15670a2b40a7
hex39e8a6df6d

248716386157 has 2 divisors, whose sum is σ = 248716386158. Its totient is φ = 248716386156.

The previous prime is 248716386151. The next prime is 248716386257. The reversal of 248716386157 is 751683617842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197255009956 + 51461376201 = 444134^2 + 226851^2 .

It is a cyclic number.

It is not a de Polignac number, because 248716386157 - 27 = 248716386029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248716386151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124358193078 + 124358193079.

It is an arithmetic number, because the mean of its divisors is an integer number (124358193079).

Almost surely, 2248716386157 is an apocalyptic number.

It is an amenable number.

248716386157 is a deficient number, since it is larger than the sum of its proper divisors (1).

248716386157 is an equidigital number, since it uses as much as digits as its factorization.

248716386157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 58.

The spelling of 248716386157 in words is "two hundred forty-eight billion, seven hundred sixteen million, three hundred eighty-six thousand, one hundred fifty-seven".