Base | Representation |
---|---|
bin | 1110100101011111… |
… | …00011111100100100 |
3 | 202012201202021021112 |
4 | 13102233203330210 |
5 | 112014121310120 |
6 | 3333010004152 |
7 | 365023301210 |
oct | 72257437444 |
9 | 22181667245 |
10 | 7830650660 |
11 | 335921a818 |
12 | 1626576658 |
13 | 97a42b001 |
14 | 543dc3940 |
15 | 30c6e7bc5 |
hex | 1d2be3f24 |
7830650660 has 48 divisors (see below), whose sum is σ = 18803850240. Its totient is φ = 2683324800.
The previous prime is 7830650621. The next prime is 7830650677. The reversal of 7830650660 is 660560387.
It is a super-2 number, since 2×78306506602 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258806 + ... + 287474.
It is an arithmetic number, because the mean of its divisors is an integer number (391746880).
Almost surely, 27830650660 is an apocalyptic number.
7830650660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
7830650660 is an abundant number, since it is smaller than the sum of its proper divisors (10973199580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7830650660 is a wasteful number, since it uses less digits than its factorization.
7830650660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30636 (or 30634 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 41.
The square root of 7830650660 is about 88490.9637194669. The cubic root of 7830650660 is about 1985.7867865558.
The spelling of 7830650660 in words is "seven billion, eight hundred thirty million, six hundred fifty thousand, six hundred sixty".
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