Base | Representation |
---|---|
bin | 111000111110100100001… |
… | …1010101110011011011001 |
3 | 1000201122000200211011001100 |
4 | 1301331020122232123121 |
5 | 2011300231212033243 |
6 | 24353252340542013 |
7 | 1435524000445635 |
oct | 161751032563331 |
9 | 30648020734040 |
10 | 7830940346073 |
11 | 254a0a0744a89 |
12 | a658320b1909 |
13 | 44a5ba71b990 |
14 | 1d103b865dc5 |
15 | d8a79e660d3 |
hex | 71f486ae6d9 |
7830940346073 has 48 divisors (see below), whose sum is σ = 12904017169680. Its totient is φ = 4533458153472.
The previous prime is 7830940346051. The next prime is 7830940346081. The reversal of 7830940346073 is 3706430490387.
It is a happy number.
7830940346073 is a `hidden beast` number, since 78 + 3 + 0 + 9 + 40 + 3 + 460 + 73 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 1453886115984 + 6377054230089 = 1205772^2 + 2525283^2 .
It is not a de Polignac number, because 7830940346073 - 213 = 7830940337881 is a prime.
It is a super-2 number, since 2×78309403460732 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (7830940346093) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3367983 + ... + 5196651.
It is an arithmetic number, because the mean of its divisors is an integer number (268833691035).
Almost surely, 27830940346073 is an apocalyptic number.
It is an amenable number.
7830940346073 is a deficient number, since it is larger than the sum of its proper divisors (5073076823607).
7830940346073 is a wasteful number, since it uses less digits than its factorization.
7830940346073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1830858 (or 1830855 counting only the distinct ones).
The product of its (nonzero) digits is 9144576, while the sum is 54.
The spelling of 7830940346073 in words is "seven trillion, eight hundred thirty billion, nine hundred forty million, three hundred forty-six thousand, seventy-three".
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