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115431026929 = 503229485143
BaseRepresentation
bin110101110000000111…
…0011011000011110001
3102000221120211201201121
41223200032123003301
53342400320330204
6125010035302241
711224326353131
oct1534016330361
9360846751647
10115431026929
1144a54895019
121a45574a981
13ab677415ca
145830604ac1
153008ce0b54
hex1ae039b0f1

115431026929 has 4 divisors (see below), whose sum is σ = 115660512576. Its totient is φ = 115201541284.

The previous prime is 115431026917. The next prime is 115431026951. The reversal of 115431026929 is 929620134511.

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 not a de Polignac number, because 115431026929 - 223 = 115422638321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115431026999) 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, 114742069 + ... + 114743074.

It is an arithmetic number, because the mean of its divisors is an integer number (28915128144).

Almost surely, 2115431026929 is an apocalyptic number.

It is an amenable number.

115431026929 is a deficient number, since it is larger than the sum of its proper divisors (229485647).

115431026929 is an equidigital number, since it uses as much as digits as its factorization.

115431026929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229485646.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 115431026929 in words is "one hundred fifteen billion, four hundred thirty-one million, twenty-six thousand, nine hundred twenty-nine".

Divisors: 1 503 229485143 115431026929