Base | Representation |
---|---|
bin | 11011111101011101… |
… | …010101101010010000 |
3 | 2212111021221020110121 |
4 | 123331131111222100 |
5 | 442441131132240 |
6 | 21443022240024 |
7 | 2111655616510 |
oct | 337535255220 |
9 | 85437836417 |
10 | 30022130320 |
11 | 11806789956 |
12 | 599a426014 |
13 | 2aa5b43070 |
14 | 164b369840 |
15 | baaa4b04a |
hex | 6fd755a90 |
30022130320 has 160 divisors (see below), whose sum is σ = 86459966208. Its totient is φ = 9440630784.
The previous prime is 30022130309. The next prime is 30022130371. The reversal of 30022130320 is 2303122003.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 30022130294 and 30022130303.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1129827 + ... + 1156093.
Almost surely, 230022130320 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30022130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43229983104).
30022130320 is an abundant number, since it is smaller than the sum of its proper divisors (56437835888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30022130320 is a wasteful number, since it uses less digits than its factorization.
30022130320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26457 (or 26451 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 30022130320 its reverse (2303122003), we get a palindrome (32325252323).
The spelling of 30022130320 in words is "thirty billion, twenty-two million, one hundred thirty thousand, three hundred twenty".
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