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115149693041 = 443259931587
BaseRepresentation
bin110101100111101110…
…1001110000001110001
3102000012222110111011222
41223033131032001301
53341311310134131
6124522105314425
711214342145535
oct1531735160161
9360188414158
10115149693041
114491aaaa779
121a397495a15
13ab2137aa56
1458050cdbc5
152ede26c87b
hex1acf74e071

115149693041 has 4 divisors (see below), whose sum is σ = 115409625072. Its totient is φ = 114889761012.

The previous prime is 115149693023. The next prime is 115149693047. The reversal of 115149693041 is 140396941511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115149693041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115149692983 and 115149693001.

It is not an unprimeable number, because it can be changed into a prime (115149693047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129965351 + ... + 129966236.

It is an arithmetic number, because the mean of its divisors is an integer number (28852406268).

Almost surely, 2115149693041 is an apocalyptic number.

It is an amenable number.

115149693041 is a deficient number, since it is larger than the sum of its proper divisors (259932031).

115149693041 is an equidigital number, since it uses as much as digits as its factorization.

115149693041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259932030.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 115149693041 in words is "one hundred fifteen billion, one hundred forty-nine million, six hundred ninety-three thousand, forty-one".

Divisors: 1 443 259931587 115149693041