Base | Representation |
---|---|
bin | 11100001001111100… |
… | …100001100010101101 |
3 | 2220000220011000210202 |
4 | 130021330201202231 |
5 | 443403244211140 |
6 | 21515504443245 |
7 | 2120111426636 |
oct | 341174414255 |
9 | 86026130722 |
10 | 30231632045 |
11 | 11903a7167a |
12 | 5a38619525 |
13 | 2b0a376194 |
14 | 166b10288d |
15 | bbe130915 |
hex | 709f218ad |
30231632045 has 4 divisors (see below), whose sum is σ = 36277958460. Its totient is φ = 24185305632.
The previous prime is 30231632023. The next prime is 30231632141. The reversal of 30231632045 is 54023613203.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 21499477129 + 8732154916 = 146627^2 + 93446^2 .
It is a cyclic number.
It is not a de Polignac number, because 30231632045 - 28 = 30231631789 is a prime.
It is a super-2 number, since 2×302316320452 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30231631999 and 30231632017.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023163200 + ... + 3023163209.
It is an arithmetic number, because the mean of its divisors is an integer number (9069489615).
Almost surely, 230231632045 is an apocalyptic number.
It is an amenable number.
30231632045 is a deficient number, since it is larger than the sum of its proper divisors (6046326415).
30231632045 is an equidigital number, since it uses as much as digits as its factorization.
30231632045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6046326414.
The product of its (nonzero) digits is 12960, while the sum is 29.
The spelling of 30231632045 in words is "thirty billion, two hundred thirty-one million, six hundred thirty-two thousand, forty-five".
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