Base | Representation |
---|---|
bin | 100101010000001101… |
… | …0111101000101010001 |
3 | 21122111101200100001022 |
4 | 1022200122331011101 |
5 | 2302320203104300 |
6 | 100430223245225 |
7 | 5531331564515 |
oct | 1124032750521 |
9 | 248441610038 |
10 | 80000831825 |
11 | 30a23425042 |
12 | 13608149815 |
13 | 770c366615 |
14 | 3c2cd14145 |
15 | 21335d5285 |
hex | 12a06bd151 |
80000831825 has 12 divisors (see below), whose sum is σ = 99216268800. Its totient is φ = 63990834960.
The previous prime is 80000831747. The next prime is 80000831837. The reversal of 80000831825 is 52813800008.
It is not a de Polignac number, because 80000831825 - 212 = 80000827729 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77489 + ... + 407438.
It is an arithmetic number, because the mean of its divisors is an integer number (8268022400).
Almost surely, 280000831825 is an apocalyptic number.
It is an amenable number.
80000831825 is a deficient number, since it is larger than the sum of its proper divisors (19215436975).
80000831825 is a wasteful number, since it uses less digits than its factorization.
80000831825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 491536 (or 491531 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 35.
The spelling of 80000831825 in words is "eighty billion, eight hundred thirty-one thousand, eight hundred twenty-five".
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