Base | Representation |
---|---|
bin | 1010100010110000… |
… | …0011011100010010 |
3 | 21022020101000210000 |
4 | 2220230003130102 |
5 | 21244002330342 |
6 | 1144455150430 |
7 | 130063425552 |
oct | 25054033422 |
9 | 7266330700 |
10 | 2830120722 |
11 | 1222590650 |
12 | 66b975416 |
13 | 361445160 |
14 | 1cbc25162 |
15 | 1186d944c |
hex | a8b03712 |
2830120722 has 80 divisors (see below), whose sum is σ = 7450293312. Its totient is φ = 791635680.
The previous prime is 2830120703. The next prime is 2830120729. The reversal of 2830120722 is 2270210382.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2830120729) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37918 + ... + 84249.
Almost surely, 22830120722 is an apocalyptic number.
2830120722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2830120722 is an abundant number, since it is smaller than the sum of its proper divisors (4620172590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2830120722 is a wasteful number, since it uses less digits than its factorization.
2830120722 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122205 (or 122196 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 2830120722 is about 53198.8789543539. The cubic root of 2830120722 is about 1414.4957722626.
The spelling of 2830120722 in words is "two billion, eight hundred thirty million, one hundred twenty thousand, seven hundred twenty-two".
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