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115724057345 = 5131780370113
BaseRepresentation
bin110101111000110110…
…0001111101100000001
3102001201000020012212222
41223301230033230001
53344000324313340
6125055104100425
711234515154201
oct1536154175401
9361630205788
10115724057345
1145095239116
121a517904715
13abb336bca0
14585b4c2401
1530248c48b5
hex1af1b0fb01

115724057345 has 8 divisors (see below), whose sum is σ = 149551089576. Its totient is φ = 85457765376.

The previous prime is 115724057341. The next prime is 115724057353. The reversal of 115724057345 is 543750427511.

It can be written as a sum of positive squares in 4 ways, for example, as 211760704 + 115512296641 = 14552^2 + 339871^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 115724057345 - 22 = 115724057341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115724057296 and 115724057305.

It is not an unprimeable number, because it can be changed into a prime (115724057341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890184992 + ... + 890185121.

It is an arithmetic number, because the mean of its divisors is an integer number (18693886197).

Almost surely, 2115724057345 is an apocalyptic number.

It is an amenable number.

115724057345 is a deficient number, since it is larger than the sum of its proper divisors (33827032231).

115724057345 is a wasteful number, since it uses less digits than its factorization.

115724057345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780370131.

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 115724057345 in words is "one hundred fifteen billion, seven hundred twenty-four million, fifty-seven thousand, three hundred forty-five".

Divisors: 1 5 13 65 1780370113 8901850565 23144811469 115724057345