Base | Representation |
---|---|
bin | 11100100101111000… |
… | …111101111100010101 |
3 | 2221020120100001101102 |
4 | 130211320331330111 |
5 | 1000333304234340 |
6 | 22034213235445 |
7 | 2134533422444 |
oct | 344570757425 |
9 | 87216301342 |
10 | 30700461845 |
11 | 12024679419 |
12 | 5b49632b85 |
13 | 2b83536771 |
14 | 16b34a2d5b |
15 | bea38d215 |
hex | 725e3df15 |
30700461845 has 4 divisors (see below), whose sum is σ = 36840554220. Its totient is φ = 24560369472.
The previous prime is 30700461833. The next prime is 30700461853. The reversal of 30700461845 is 54816400703.
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 17324614129 + 13375847716 = 131623^2 + 115654^2 .
It is a cyclic number.
It is not a de Polignac number, because 30700461845 - 24 = 30700461829 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30700461799 and 30700461808.
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, 3070046180 + ... + 3070046189.
It is an arithmetic number, because the mean of its divisors is an integer number (9210138555).
Almost surely, 230700461845 is an apocalyptic number.
It is an amenable number.
30700461845 is a deficient number, since it is larger than the sum of its proper divisors (6140092375).
30700461845 is an equidigital number, since it uses as much as digits as its factorization.
30700461845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6140092374.
The product of its (nonzero) digits is 80640, while the sum is 38.
The spelling of 30700461845 in words is "thirty billion, seven hundred million, four hundred sixty-one thousand, eight hundred forty-five".
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