Base | Representation |
---|---|
bin | 100101010000001011… |
… | …1111000010011100110 |
3 | 21122111100011101102122 |
4 | 1022200113320103212 |
5 | 2302320001311310 |
6 | 100430154105542 |
7 | 5531321666624 |
oct | 1124027702346 |
9 | 248440141378 |
10 | 80000025830 |
11 | 30a22a2452a |
12 | 13607a1b2b2 |
13 | 770c1437ba |
14 | 3c2cb84514 |
15 | 21334c6555 |
hex | 12a05f84e6 |
80000025830 has 16 divisors (see below), whose sum is σ = 144014673600. Its totient is φ = 31996759872.
The previous prime is 80000025829. The next prime is 80000025869. The reversal of 80000025830 is 3852000008.
It is a self number, because there is not a number n which added to its sum of digits gives 80000025830.
It is a congruent number.
It is an unprimeable number.
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, 301655 + ... + 500994.
It is an arithmetic number, because the mean of its divisors is an integer number (9000917100).
Almost surely, 280000025830 is an apocalyptic number.
80000025830 is a deficient number, since it is larger than the sum of its proper divisors (64014647770).
80000025830 is a wasteful number, since it uses less digits than its factorization.
80000025830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 812623.
The product of its (nonzero) digits is 1920, while the sum is 26.
Adding to 80000025830 its reverse (3852000008), we get a palindrome (83852025838).
The spelling of 80000025830 in words is "eighty billion, twenty-five thousand, eight hundred thirty".
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