Base | Representation |
---|---|
bin | 11100000011011110… |
… | …111011111000101010 |
3 | 2212202100010201220202 |
4 | 130003132323320222 |
5 | 443143020243310 |
6 | 21501032552202 |
7 | 2114324036321 |
oct | 340336737052 |
9 | 85670121822 |
10 | 30123212330 |
11 | 1185884a302 |
12 | 5a08252662 |
13 | 2ac0a751c3 |
14 | 165a95d0b8 |
15 | bb48663a5 |
hex | 7037bbe2a |
30123212330 has 8 divisors (see below), whose sum is σ = 54221782212. Its totient is φ = 12049284928.
The previous prime is 30123212321. The next prime is 30123212363. The reversal of 30123212330 is 3321232103.
It can be written as a sum of positive squares in 2 ways, for example, as 29074683169 + 1048529161 = 170513^2 + 32381^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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, 1506160607 + ... + 1506160626.
Almost surely, 230123212330 is an apocalyptic number.
30123212330 is a deficient number, since it is larger than the sum of its proper divisors (24098569882).
30123212330 is a wasteful number, since it uses less digits than its factorization.
30123212330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3012321240.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30123212330 its reverse (3321232103), we get a palindrome (33444444433).
The spelling of 30123212330 in words is "thirty billion, one hundred twenty-three million, two hundred twelve thousand, three hundred thirty".
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