Base | Representation |
---|---|
bin | 1010100010110000… |
… | …0011011100010011 |
3 | 21022020101000210001 |
4 | 2220230003130103 |
5 | 21244002330343 |
6 | 1144455150431 |
7 | 130063425553 |
oct | 25054033423 |
9 | 7266330701 |
10 | 2830120723 |
11 | 1222590651 |
12 | 66b975417 |
13 | 361445161 |
14 | 1cbc25163 |
15 | 1186d944d |
hex | a8b03713 |
2830120723 has 8 divisors (see below), whose sum is σ = 2903595200. Its totient is φ = 2756994408.
The previous prime is 2830120703. The next prime is 2830120729. The reversal of 2830120723 is 3270210382.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2830120723 - 25 = 2830120691 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2830120691 and 2830120700.
It is not an unprimeable number, because it can be changed into a prime (2830120729) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70533 + ... + 103126.
It is an arithmetic number, because the mean of its divisors is an integer number (362949400).
Almost surely, 22830120723 is an apocalyptic number.
2830120723 is a deficient number, since it is larger than the sum of its proper divisors (73474477).
2830120723 is a wasteful number, since it uses less digits than its factorization.
2830120723 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174081.
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 2830120723 is about 53198.8789637526. The cubic root of 2830120723 is about 1414.4957724292.
The spelling of 2830120723 in words is "two billion, eight hundred thirty million, one hundred twenty thousand, seven hundred twenty-three".
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