Base | Representation |
---|---|
bin | 11100000011010011… |
… | …100010001011000110 |
3 | 2212202010111212220202 |
4 | 130003103202023012 |
5 | 443141234122210 |
6 | 21500444530502 |
7 | 2114256450323 |
oct | 340323421306 |
9 | 85663455822 |
10 | 30120223430 |
11 | 11857098740 |
12 | 5a07250a32 |
13 | 2ac026991b |
14 | 165a3c1b4a |
15 | bb44759a5 |
hex | 7034e22c6 |
30120223430 has 32 divisors (see below), whose sum is σ = 59226013728. Its totient is φ = 10937836800.
The previous prime is 30120223417. The next prime is 30120223451. The reversal of 30120223430 is 3432202103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106151 + ... + 267410.
It is an arithmetic number, because the mean of its divisors is an integer number (1850812929).
Almost surely, 230120223430 is an apocalyptic number.
30120223430 is a deficient number, since it is larger than the sum of its proper divisors (29105790298).
30120223430 is a wasteful number, since it uses less digits than its factorization.
30120223430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 374312.
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 30120223430 its reverse (3432202103), we get a palindrome (33552425533).
The spelling of 30120223430 in words is "thirty billion, one hundred twenty million, two hundred twenty-three thousand, four hundred thirty".
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