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13551444029 is a prime number
BaseRepresentation
bin11001001111011101…
…01010000000111101
31021222102102200110102
430213232222000331
5210223132202104
610120410250445
7656550242114
oct144756520075
937872380412
1013551444029
115824489522
122762426a25
13137c6c9546
14927ab2c7b
15544a7ca1e
hex327baa03d

13551444029 has 2 divisors, whose sum is σ = 13551444030. Its totient is φ = 13551444028.

The previous prime is 13551444001. The next prime is 13551444041. The reversal of 13551444029 is 92044415531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9048765625 + 4502678404 = 95125^2 + 67102^2 .

It is an emirp because it is prime and its reverse (92044415531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13551444029 - 228 = 13283008573 is a prime.

It is a super-2 number, since 2×135514440292 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13551443983 and 13551444001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13551444089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6775722014 + 6775722015.

It is an arithmetic number, because the mean of its divisors is an integer number (6775722015).

Almost surely, 213551444029 is an apocalyptic number.

It is an amenable number.

13551444029 is a deficient number, since it is larger than the sum of its proper divisors (1).

13551444029 is an equidigital number, since it uses as much as digits as its factorization.

13551444029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 13551444029 in words is "thirteen billion, five hundred fifty-one million, four hundred forty-four thousand, twenty-nine".