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34036179781 is a prime number
BaseRepresentation
bin11111101100101101…
…101110001101000101
310020212001002002011011
4133230231232031011
51024201230223111
623345213242221
72313306516562
oct375455561505
9106761062134
1034036179781
11134865996aa
12671a793371
133295643566
14190c4d9869
15d43149021
hex7ecb6e345

34036179781 has 2 divisors, whose sum is σ = 34036179782. Its totient is φ = 34036179780.

The previous prime is 34036179673. The next prime is 34036179809. The reversal of 34036179781 is 18797163043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22062349156 + 11973830625 = 148534^2 + 109425^2 .

It is a cyclic number.

It is not a de Polignac number, because 34036179781 - 227 = 33901962053 is a prime.

It is a super-2 number, since 2×340361797812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34036129781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17018089890 + 17018089891.

It is an arithmetic number, because the mean of its divisors is an integer number (17018089891).

Almost surely, 234036179781 is an apocalyptic number.

It is an amenable number.

34036179781 is a deficient number, since it is larger than the sum of its proper divisors (1).

34036179781 is an equidigital number, since it uses as much as digits as its factorization.

34036179781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 34036179781 in words is "thirty-four billion, thirty-six million, one hundred seventy-nine thousand, seven hundred eighty-one".