Base | Representation |
---|---|
bin | 1101111001001000001100… |
… | …11111001101011000110101 |
3 | 11000011120102202011210011011 |
4 | 12330210012133031120311 |
5 | 13001013313033033140 |
6 | 144550323455112221 |
7 | 6302115466532245 |
oct | 674440637153065 |
9 | 130146382153134 |
10 | 30550211221045 |
11 | 98092a987904a |
12 | 3514a03b12671 |
13 | 1407b460125b9 |
14 | 7788d0da3b25 |
15 | 37ea33ac5cea |
hex | 1bc9067cd635 |
30550211221045 has 8 divisors (see below), whose sum is σ = 36660315091896. Its totient is φ = 24440127892416.
The previous prime is 30550211221027. The next prime is 30550211221051. The reversal of 30550211221045 is 54012211205503.
It can be written as a sum of positive squares in 4 ways, for example, as 212874272689 + 30337336948356 = 461383^2 + 5507934^2 .
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 30550211221045 - 219 = 30550210696757 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30550211220998 and 30550211221016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648482 + ... + 7988611.
It is an arithmetic number, because the mean of its divisors is an integer number (4582539386487).
Almost surely, 230550211221045 is an apocalyptic number.
It is an amenable number.
30550211221045 is a deficient number, since it is larger than the sum of its proper divisors (6110103870851).
30550211221045 is an equidigital number, since it uses as much as digits as its factorization.
30550211221045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10271111.
The product of its (nonzero) digits is 12000, while the sum is 31.
Adding to 30550211221045 its reverse (54012211205503), we get a palindrome (84562422426548).
The spelling of 30550211221045 in words is "thirty trillion, five hundred fifty billion, two hundred eleven million, two hundred twenty-one thousand, forty-five".
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