Base | Representation |
---|---|
bin | 111111010001101… |
… | …1010010011111110 |
3 | 12110222012100100121 |
4 | 1332203122103332 |
5 | 13322020241110 |
6 | 550403445154 |
7 | 103421001352 |
oct | 17643322376 |
9 | 5428170317 |
10 | 2123212030 |
11 | 99a552695 |
12 | 4b30867ba |
13 | 27ab572a4 |
14 | 161dad462 |
15 | c65eecda |
hex | 7e8da4fe |
2123212030 has 8 divisors (see below), whose sum is σ = 3821781672. Its totient is φ = 849284808.
The previous prime is 2123212009. The next prime is 2123212043. The reversal of 2123212030 is 302123212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2123211995 and 2123212013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106160592 + ... + 106160611.
It is an arithmetic number, because the mean of its divisors is an integer number (477722709).
Almost surely, 22123212030 is an apocalyptic number.
2123212030 is a deficient number, since it is larger than the sum of its proper divisors (1698569642).
2123212030 is a wasteful number, since it uses less digits than its factorization.
2123212030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212321210.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 2123212030 is about 46078.3249478537. The cubic root of 2123212030 is about 1285.2801157718.
Adding to 2123212030 its reverse (302123212), we get a palindrome (2425335242).
The spelling of 2123212030 in words is "two billion, one hundred twenty-three million, two hundred twelve thousand, thirty".
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