Base | Representation |
---|---|
bin | 11100001000110010… |
… | …100001000010011010 |
3 | 2212222112122101000110 |
4 | 130020302201002122 |
5 | 443333312400242 |
6 | 21513532545150 |
7 | 2116454505030 |
oct | 341062410232 |
9 | 85875571013 |
10 | 30212231322 |
11 | 118a4020619 |
12 | 5a320221b6 |
13 | 2b06342770 |
14 | 16686d2550 |
15 | bbc59c39c |
hex | 708ca109a |
30212231322 has 64 divisors (see below), whose sum is σ = 78282731520. Its totient is φ = 7548686784.
The previous prime is 30212231311. The next prime is 30212231369. The reversal of 30212231322 is 22313221203.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1445778 + ... + 1466525.
It is an arithmetic number, because the mean of its divisors is an integer number (1223167680).
Almost surely, 230212231322 is an apocalyptic number.
30212231322 is an abundant number, since it is smaller than the sum of its proper divisors (48070500198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212231322 is a wasteful number, since it uses less digits than its factorization.
30212231322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2912347.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 30212231322 its reverse (22313221203), we get a palindrome (52525452525).
The spelling of 30212231322 in words is "thirty billion, two hundred twelve million, two hundred thirty-one thousand, three hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •