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102686201 is a prime number
BaseRepresentation
bin1100001111011…
…01110111111001
321011012222222122
412013231313321
5202241424301
614104531025
72354550452
oct607556771
9234188878
10102686201
1152a66732
122a480a75
1318374387
14d8d0129
15903581b
hex61eddf9

102686201 has 2 divisors, whose sum is σ = 102686202. Its totient is φ = 102686200.

The previous prime is 102686197. The next prime is 102686219.

102686201 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96510976 + 6175225 = 9824^2 + 2485^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 102686201 - 22 = 102686197 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102686501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51343100 + 51343101.

It is an arithmetic number, because the mean of its divisors is an integer number (51343101).

Almost surely, 2102686201 is an apocalyptic number.

It is an amenable number.

102686201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102686201 is an equidigital number, since it uses as much as digits as its factorization.

102686201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 102686201 is about 10133.4200051118. The cubic root of 102686201 is about 468.2782955914.

The spelling of 102686201 in words is "one hundred two million, six hundred eighty-six thousand, two hundred one".