Base | Representation |
---|---|
bin | 1101101111000001101010… |
… | …01110111011011001001101 |
3 | 10221221101111012001211202012 |
4 | 12313200311032323121031 |
5 | 12424321423400144323 |
6 | 144123040344111005 |
7 | 6235050023462045 |
oct | 667406516733115 |
9 | 127841435054665 |
10 | 30203103131213 |
11 | 9695078362701 |
12 | 3479692165465 |
13 | 13b11a961172c |
14 | 765ba363c725 |
15 | 3759ba8b4678 |
hex | 1b78353bb64d |
30203103131213 has 8 divisors (see below), whose sum is σ = 30579816863232. Its totient is φ = 29827722900096.
The previous prime is 30203103131203. The next prime is 30203103131263. The reversal of 30203103131213 is 31213130130203.
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 30203103131213 - 216 = 30203103065677 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30203103131203) 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, 333329645 + ... + 333420242.
It is an arithmetic number, because the mean of its divisors is an integer number (3822477107904).
Almost surely, 230203103131213 is an apocalyptic number.
It is an amenable number.
30203103131213 is a deficient number, since it is larger than the sum of its proper divisors (376713732019).
30203103131213 is an equidigital number, since it uses as much as digits as its factorization.
30203103131213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666750451.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 30203103131213 its reverse (31213130130203), we get a palindrome (61416233261416).
The spelling of 30203103131213 in words is "thirty trillion, two hundred three billion, one hundred three million, one hundred thirty-one thousand, two hundred thirteen".
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