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10649860087 is a prime number
BaseRepresentation
bin10011110101100011…
…11111011111110111
31000111012120221120111
421322301333133313
5133302331010322
64520435243451
7524625213526
oct117261773767
930435527514
1010649860087
114575628569
122092749587
131009522879
147305a84bd
15424e79177
hex27ac7f7f7

10649860087 has 2 divisors, whose sum is σ = 10649860088. Its totient is φ = 10649860086.

The previous prime is 10649860057. The next prime is 10649860097. The reversal of 10649860087 is 78006894601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10649860087 is a prime.

It is a super-3 number, since 3×106498600873 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 10649860087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10649860007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5324930043 + 5324930044.

It is an arithmetic number, because the mean of its divisors is an integer number (5324930044).

Almost surely, 210649860087 is an apocalyptic number.

10649860087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10649860087 is an equidigital number, since it uses as much as digits as its factorization.

10649860087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 10649860087 in words is "ten billion, six hundred forty-nine million, eight hundred sixty thousand, eighty-seven".