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8163801097 is a prime number
BaseRepresentation
bin1111001101001100…
…11011100000001001
3210001221122001202121
413212212123200021
5113204413113342
63430030331241
7406210110244
oct74646334011
923057561677
108163801097
11350a286661
1216ba059b21
13a01464a4a
1457634625b
1532baa4067
hex1e699b809

8163801097 has 2 divisors, whose sum is σ = 8163801098. Its totient is φ = 8163801096.

The previous prime is 8163801083. The next prime is 8163801127. The reversal of 8163801097 is 7901083618.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4758378361 + 3405422736 = 68981^2 + 58356^2 .

It is a cyclic number.

It is not a de Polignac number, because 8163801097 - 215 = 8163768329 is a prime.

It is not a weakly prime, because it can be changed into another prime (8163801007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081900548 + 4081900549.

It is an arithmetic number, because the mean of its divisors is an integer number (4081900549).

Almost surely, 28163801097 is an apocalyptic number.

It is an amenable number.

8163801097 is a deficient number, since it is larger than the sum of its proper divisors (1).

8163801097 is an equidigital number, since it uses as much as digits as its factorization.

8163801097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 8163801097 is about 90353.7553010388. The cubic root of 8163801097 is about 2013.5579743977.

The spelling of 8163801097 in words is "eight billion, one hundred sixty-three million, eight hundred one thousand, ninety-seven".