Base | Representation |
---|---|
bin | 1101110010001110110001… |
… | …10010100010000011011101 |
3 | 10222022220201111220002210010 |
4 | 12321013120302202003131 |
5 | 12433122434130130323 |
6 | 144245411315233433 |
7 | 6246025611654540 |
oct | 671073062420335 |
9 | 128286644802703 |
10 | 30313221333213 |
11 | 97278461a6715 |
12 | 3496aa45a8879 |
13 | 13bb6a8456040 |
14 | 76b24c3d0857 |
15 | 3787b3059c93 |
hex | 1b91d8ca20dd |
30313221333213 has 32 divisors (see below), whose sum is σ = 51089226823936. Its totient is φ = 15557245751808.
The previous prime is 30313221333191. The next prime is 30313221333247. The reversal of 30313221333213 is 31233312231303.
It is not a de Polignac number, because 30313221333213 - 25 = 30313221333181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30313221333293) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1500495856 + ... + 1500516057.
It is an arithmetic number, because the mean of its divisors is an integer number (1596538338248).
Almost surely, 230313221333213 is an apocalyptic number.
It is an amenable number.
30313221333213 is a deficient number, since it is larger than the sum of its proper divisors (20776005490723).
30313221333213 is a wasteful number, since it uses less digits than its factorization.
30313221333213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3001011973.
The product of its (nonzero) digits is 17496, while the sum is 30.
Adding to 30313221333213 its reverse (31233312231303), we get a palindrome (61546533564516).
It can be divided in two parts, 3031322 and 1333213, that added together give a triangular number (4364535 = T2954).
The spelling of 30313221333213 in words is "thirty trillion, three hundred thirteen billion, two hundred twenty-one million, three hundred thirty-three thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •