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115029823649 = 1363493139361
BaseRepresentation
bin110101100100001001…
…1111101000010100001
3101222220121220111021212
41223020103331002201
53341040113324044
6124502144155505
711211355240226
oct1531023750241
9358817814255
10115029823649
1144869378064
121a363308b95
13ab0259b410
1457d320994d
152ed3990a9e
hex1ac84fd0a1

115029823649 has 8 divisors (see below), whose sum is σ = 123881111592. Its totient is φ = 106178941440.

The previous prime is 115029823639. The next prime is 115029823669. The reversal of 115029823649 is 946328920511.

It can be written as a sum of positive squares in 4 ways, for example, as 1499238400 + 113530585249 = 38720^2 + 336943^2 .

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

It is not a de Polignac number, because 115029823649 - 28 = 115029823393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115029823597 and 115029823606.

It is not an unprimeable number, because it can be changed into a prime (115029823639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755729 + ... + 895089.

It is an arithmetic number, because the mean of its divisors is an integer number (15485138949).

Almost surely, 2115029823649 is an apocalyptic number.

It is an amenable number.

115029823649 is a deficient number, since it is larger than the sum of its proper divisors (8851287943).

115029823649 is a wasteful number, since it uses less digits than its factorization.

115029823649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202867.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 115029823649 in words is "one hundred fifteen billion, twenty-nine million, eight hundred twenty-three thousand, six hundred forty-nine".

Divisors: 1 13 63493 139361 825409 1811693 8848447973 115029823649