Base | Representation |
---|---|
bin | 1110100100001110… |
… | …01100011101001011 |
3 | 202011222211122112110 |
4 | 13102013030131023 |
5 | 112003414144213 |
6 | 3331551113403 |
7 | 364534326030 |
oct | 72207143513 |
9 | 22158748473 |
10 | 7820068683 |
11 | 3353252389 |
12 | 1622b12863 |
13 | 97819459b |
14 | 54282b387 |
15 | 30b8075c3 |
hex | 1d21cc74b |
7820068683 has 16 divisors (see below), whose sum is σ = 12118268160. Its totient is φ = 4392870816.
The previous prime is 7820068679. The next prime is 7820068757. The reversal of 7820068683 is 3868600287.
It is a happy number.
It is not a de Polignac number, because 7820068683 - 22 = 7820068679 is a prime.
It is a super-2 number, since 2×78200686832 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (7820068673) 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, 3154560 + ... + 3157037.
It is an arithmetic number, because the mean of its divisors is an integer number (757391760).
Almost surely, 27820068683 is an apocalyptic number.
7820068683 is a deficient number, since it is larger than the sum of its proper divisors (4298199477).
7820068683 is a wasteful number, since it uses less digits than its factorization.
7820068683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6311666.
The product of its (nonzero) digits is 774144, while the sum is 48.
The square root of 7820068683 is about 88431.1522202442. The cubic root of 7820068683 is about 1984.8918833647.
The spelling of 7820068683 in words is "seven billion, eight hundred twenty million, sixty-eight thousand, six hundred eighty-three".
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