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10643055077 is a prime number
BaseRepresentation
bin10011110100110000…
…00010000111100101
31000110201210012212002
421322120002013211
5133244110230302
64520033335045
7524513322044
oct117230020745
930421705762
1010643055077
1145717aa896
122090407485
131007cac335
1472d71655b
15424582c02
hex27a6021e5

10643055077 has 2 divisors, whose sum is σ = 10643055078. Its totient is φ = 10643055076.

The previous prime is 10643055061. The next prime is 10643055097. The reversal of 10643055077 is 77055034601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10640747716 + 2307361 = 103154^2 + 1519^2 .

It is a cyclic number.

It is not a de Polignac number, because 10643055077 - 24 = 10643055061 is a prime.

It is a super-2 number, since 2×106430550772 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10643055077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10643055047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321527538 + 5321527539.

It is an arithmetic number, because the mean of its divisors is an integer number (5321527539).

Almost surely, 210643055077 is an apocalyptic number.

It is an amenable number.

10643055077 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643055077 is an equidigital number, since it uses as much as digits as its factorization.

10643055077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

Adding to 10643055077 its reverse (77055034601), we get a palindrome (87698089678).

The spelling of 10643055077 in words is "ten billion, six hundred forty-three million, fifty-five thousand, seventy-seven".