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105254504449 is a prime number
BaseRepresentation
bin110001000000110101…
…0000100100000000001
3101001200100220211021121
41202001222010200001
53211030123120244
6120204145152241
710414206345313
oct1420152044001
9331610824247
10105254504449
1140702473066
121849562b681
139c052ca083
145146c517b3
152b106b4c84
hex1881a84801

105254504449 has 2 divisors, whose sum is σ = 105254504450. Its totient is φ = 105254504448.

The previous prime is 105254504447. The next prime is 105254504503. The reversal of 105254504449 is 944405452501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91796880400 + 13457624049 = 302980^2 + 116007^2 .

It is a cyclic number.

It is not a de Polignac number, because 105254504449 - 21 = 105254504447 is a prime.

It is a super-2 number, since 2×1052545044492 (a number of 23 digits) contains 22 as substring.

Together with 105254504447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (105254504441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52627252224 + 52627252225.

It is an arithmetic number, because the mean of its divisors is an integer number (52627252225).

Almost surely, 2105254504449 is an apocalyptic number.

It is an amenable number.

105254504449 is a deficient number, since it is larger than the sum of its proper divisors (1).

105254504449 is an equidigital number, since it uses as much as digits as its factorization.

105254504449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 105254504449 in words is "one hundred five billion, two hundred fifty-four million, five hundred four thousand, four hundred forty-nine".