Base | Representation |
---|---|
bin | 101000100011111… |
… | …001101100111101 |
3 | 1202102110222112210 |
4 | 220203321230331 |
5 | 2343202000104 |
6 | 151305251033 |
7 | 22602104046 |
oct | 5043715475 |
9 | 1672428483 |
10 | 680500029 |
11 | 31a140820 |
12 | 16ba93a79 |
13 | aaca2751 |
14 | 6653d8cd |
15 | 3eb1e989 |
hex | 288f9b3d |
680500029 has 16 divisors (see below), whose sum is σ = 1041914880. Its totient is φ = 390717360.
The previous prime is 680500013. The next prime is 680500031. The reversal of 680500029 is 920005086.
It is not a de Polignac number, because 680500029 - 24 = 680500013 is a prime.
It is a super-4 number, since 4×6805000294 (a number of 36 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 680499969 and 680500005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680500049) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 542037 + ... + 543290.
It is an arithmetic number, because the mean of its divisors is an integer number (65119680).
Almost surely, 2680500029 is an apocalyptic number.
It is an amenable number.
680500029 is a deficient number, since it is larger than the sum of its proper divisors (361414851).
680500029 is a wasteful number, since it uses less digits than its factorization.
680500029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1085360.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 680500029 is about 26086.3954773365. The cubic root of 680500029 is about 879.5814249880.
The spelling of 680500029 in words is "six hundred eighty million, five hundred thousand, twenty-nine".
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