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68196199 is a prime number
BaseRepresentation
bin1000001000010…
…01011101100111
311202022201121011
410010021131213
5114424234244
610433403051
71455441511
oct404113547
9152281534
1068196199
11355498a5
121aa09487
13111897a6
1490b2bb1
155ec1434
hex4109767

68196199 has 2 divisors, whose sum is σ = 68196200. Its totient is φ = 68196198.

The previous prime is 68196157. The next prime is 68196209. The reversal of 68196199 is 99169186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68196199 - 213 = 68188007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68196599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34098099 + 34098100.

It is an arithmetic number, because the mean of its divisors is an integer number (34098100).

Almost surely, 268196199 is an apocalyptic number.

68196199 is a deficient number, since it is larger than the sum of its proper divisors (1).

68196199 is an equidigital number, since it uses as much as digits as its factorization.

68196199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 49.

The square root of 68196199 is about 8258.0989943207. The cubic root of 68196199 is about 408.5576904311.

It can be divided in two parts, 6 and 8196199, that multiplied together give a palindrome (49177194).

The spelling of 68196199 in words is "sixty-eight million, one hundred ninety-six thousand, one hundred ninety-nine".