Base | Representation |
---|---|
bin | 11100001001010000… |
… | …111101100000001001 |
3 | 2220000002122211202202 |
4 | 130021100331200021 |
5 | 443342333242413 |
6 | 21514420005545 |
7 | 2116612365011 |
oct | 341120754011 |
9 | 86002584682 |
10 | 30220212233 |
11 | 118a8581812 |
12 | 5a348308b5 |
13 | 2b07ba82b3 |
14 | 16697acc41 |
15 | bbd126e58 |
hex | 70943d809 |
30220212233 has 32 divisors (see below), whose sum is σ = 33010053120. Its totient is φ = 27591815680.
The previous prime is 30220212223. The next prime is 30220212251. The reversal of 30220212233 is 33221202203.
It is not a de Polignac number, because 30220212233 - 28 = 30220211977 is a prime.
It is a super-2 number, since 2×302202122332 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30220212223) 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, 8353241 + ... + 8356857.
It is an arithmetic number, because the mean of its divisors is an integer number (1031564160).
Almost surely, 230220212233 is an apocalyptic number.
It is an amenable number.
30220212233 is a deficient number, since it is larger than the sum of its proper divisors (2789840887).
30220212233 is a wasteful number, since it uses less digits than its factorization.
30220212233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3877.
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 30220212233 its reverse (33221202203), we get a palindrome (63441414436).
The spelling of 30220212233 in words is "thirty billion, two hundred twenty million, two hundred twelve thousand, two hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •