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115223403433 = 4161337136709
BaseRepresentation
bin110101101001111011…
…0011001101110101001
3102000102010011100211111
41223103312121232221
53341434142402213
6124533301230321
711216225524615
oct1532366315651
9360363140744
10115223403433
1144958675456
121a3b81023a1
13ab33718378
145810bda345
152ee597ca3d
hex1ad3d99ba9

115223403433 has 16 divisors (see below), whose sum is σ = 120325579920. Its totient is φ = 110241331200.

The previous prime is 115223403431. The next prime is 115223403457. The reversal of 115223403433 is 334304322511.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 38154980889 + 77068422544 = 195333^2 + 277612^2 .

It is a cyclic number.

It is not a de Polignac number, because 115223403433 - 21 = 115223403431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115223403395 and 115223403404.

It is not an unprimeable number, because it can be changed into a prime (115223403431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774483 + ... + 911191.

It is an arithmetic number, because the mean of its divisors is an integer number (7520348745).

Almost surely, 2115223403433 is an apocalyptic number.

It is an amenable number.

115223403433 is a deficient number, since it is larger than the sum of its proper divisors (5102176487).

115223403433 is a wasteful number, since it uses less digits than its factorization.

115223403433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137148.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 115223403433 its reverse (334304322511), we get a palindrome (449527725944).

The spelling of 115223403433 in words is "one hundred fifteen billion, two hundred twenty-three million, four hundred three thousand, four hundred thirty-three".

Divisors: 1 41 61 337 2501 13817 20557 136709 842837 5605069 8339249 46070933 341909209 1888908253 2810326913 115223403433