Base | Representation |
---|---|
bin | 11100001000101110… |
… | …111110011110100100 |
3 | 2212222110220020001110 |
4 | 130020232332132210 |
5 | 443333043201312 |
6 | 21513501025020 |
7 | 2116443561360 |
oct | 341056763644 |
9 | 85873806043 |
10 | 30211303332 |
11 | 118a3547391 |
12 | 5a31855170 |
13 | 2b060a9262 |
14 | 16685302a0 |
15 | bbc46743c |
hex | 708bbe7a4 |
30211303332 has 96 divisors (see below), whose sum is σ = 83426918400. Its totient is φ = 8326776960.
The previous prime is 30211303261. The next prime is 30211303357. The reversal of 30211303332 is 23330311203.
It is a super-2 number, since 2×302113033322 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 30211303299 and 30211303308.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 807169 + ... + 843767.
It is an arithmetic number, because the mean of its divisors is an integer number (869030400).
Almost surely, 230211303332 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 30211303332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41713459200).
30211303332 is an abundant number, since it is smaller than the sum of its proper divisors (53215615068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30211303332 is a wasteful number, since it uses less digits than its factorization.
30211303332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36961 (or 36959 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30211303332 its reverse (23330311203), we get a palindrome (53541614535).
The spelling of 30211303332 in words is "thirty billion, two hundred eleven million, three hundred three thousand, three hundred thirty-two".
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