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10220858077 is a prime number
BaseRepresentation
bin10011000010011010…
…11110101011011101
3222101022100101110011
421201031132223131
5131413014424302
64410112243221
7511165601023
oct114115365335
928338311404
1010220858077
114375453a51
121b92b40511
13c6b698621
146cd614713
153ec4875d7
hex26135eadd

10220858077 has 2 divisors, whose sum is σ = 10220858078. Its totient is φ = 10220858076.

The previous prime is 10220858071. The next prime is 10220858117. The reversal of 10220858077 is 77085802201.

It is an a-pointer prime, because the next prime (10220858117) can be obtained adding 10220858077 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9250784761 + 970073316 = 96181^2 + 31146^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220858077 - 215 = 10220825309 is a prime.

It is a super-2 number, since 2×102208580772 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10220858071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110429038 + 5110429039.

It is an arithmetic number, because the mean of its divisors is an integer number (5110429039).

Almost surely, 210220858077 is an apocalyptic number.

It is an amenable number.

10220858077 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220858077 is an equidigital number, since it uses as much as digits as its factorization.

10220858077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 40.

The spelling of 10220858077 in words is "ten billion, two hundred twenty million, eight hundred fifty-eight thousand, seventy-seven".