Base | Representation |
---|---|
bin | 11100011011010001… |
… | …011010110011001001 |
3 | 2220210011010121121212 |
4 | 130123101122303021 |
5 | 1000002203301441 |
6 | 22004411142505 |
7 | 2130241312604 |
oct | 343321326311 |
9 | 86704117555 |
10 | 30522322121 |
11 | 11a43067405 |
12 | 5ab9a44a35 |
13 | 2b55664545 |
14 | 169797133b |
15 | bd9900eeb |
hex | 71b45acc9 |
30522322121 has 24 divisors (see below), whose sum is σ = 33213760992. Its totient is φ = 27951372800.
The previous prime is 30522322093. The next prime is 30522322141. The reversal of 30522322121 is 12122322503.
It is not a de Polignac number, because 30522322121 - 230 = 29448580297 is a prime.
It is a super-2 number, since 2×305223221212 (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 (30522322141) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12658406 + ... + 12660816.
It is an arithmetic number, because the mean of its divisors is an integer number (1383906708).
Almost surely, 230522322121 is an apocalyptic number.
It is an amenable number.
30522322121 is a deficient number, since it is larger than the sum of its proper divisors (2691438871).
30522322121 is a wasteful number, since it uses less digits than its factorization.
30522322121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2953 (or 2912 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 30522322121 its reverse (12122322503), we get a palindrome (42644644624).
The spelling of 30522322121 in words is "thirty billion, five hundred twenty-two million, three hundred twenty-two thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •