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115555530254405 = 5136116980974321
BaseRepresentation
bin11010010001100011011110…
…010101010010100001000101
3120011011000000120211211020212
4122101203132111102201011
5110121230211221120110
61045433251105405205
733224416522523663
oct3221433625224105
9504130016754225
10115555530254405
113390190933618a
1210b63529339805
134c62abbbca897
142076cbb8cbc33
15d55ce7ba5e05
hex6918de552845

115555530254405 has 8 divisors (see below), whose sum is σ = 138768522159384. Its totient is φ = 92376500300800.

The previous prime is 115555530254377. The next prime is 115555530254449. The reversal of 115555530254405 is 504452035555511.

It can be written as a sum of positive squares in 4 ways, for example, as 6241333006756 + 109314197247649 = 2498266^2 + 10455343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115555530254405 - 26 = 115555530254341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8490480356 + ... + 8490493965.

It is an arithmetic number, because the mean of its divisors is an integer number (17346065269923).

Almost surely, 2115555530254405 is an apocalyptic number.

It is an amenable number.

115555530254405 is a deficient number, since it is larger than the sum of its proper divisors (23212991904979).

115555530254405 is a wasteful number, since it uses less digits than its factorization.

115555530254405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16980975687.

The product of its (nonzero) digits is 7500000, while the sum is 50.

The spelling of 115555530254405 in words is "one hundred fifteen trillion, five hundred fifty-five billion, five hundred thirty million, two hundred fifty-four thousand, four hundred five".

Divisors: 1 5 1361 6805 16980974321 84904871605 23111106050881 115555530254405