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55100105069 is a prime number
BaseRepresentation
bin110011010100001110…
…001110000101101101
312021020000120100112012
4303110032032011231
51400321111330234
641151310251005
73660301110512
oct632416160555
9167200510465
1055100105069
1121405633519
12a818ab6a65
13527157ab89
142949c0d309
1516774c20ce
hexcd438e16d

55100105069 has 2 divisors, whose sum is σ = 55100105070. Its totient is φ = 55100105068.

The previous prime is 55100105057. The next prime is 55100105113. The reversal of 55100105069 is 96050100155.

55100105069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53005852900 + 2094252169 = 230230^2 + 45763^2 .

It is a cyclic number.

It is not a de Polignac number, because 55100105069 - 212 = 55100100973 is a prime.

It is a super-2 number, since 2×551001050692 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55100105969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550052534 + 27550052535.

It is an arithmetic number, because the mean of its divisors is an integer number (27550052535).

Almost surely, 255100105069 is an apocalyptic number.

It is an amenable number.

55100105069 is a deficient number, since it is larger than the sum of its proper divisors (1).

55100105069 is an equidigital number, since it uses as much as digits as its factorization.

55100105069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 55100105069 in words is "fifty-five billion, one hundred million, one hundred five thousand, sixty-nine".