Base | Representation |
---|---|
bin | 11011111101111011… |
… | …011000011100101100 |
3 | 2212111211202100221200 |
4 | 123331323120130230 |
5 | 443000140143220 |
6 | 21443503125500 |
7 | 2112112561035 |
oct | 337573303454 |
9 | 85454670850 |
10 | 30030006060 |
11 | 1181017902a |
12 | 59a0ba3890 |
13 | 2aa766ca72 |
14 | 164c419a8c |
15 | bab5a4890 |
hex | 6fded872c |
30030006060 has 72 divisors (see below), whose sum is σ = 91106739360. Its totient is φ = 8006619648.
The previous prime is 30030006059. The next prime is 30030006067. The reversal of 30030006060 is 6060003003.
30030006060 is a `hidden beast` number, since 30 + 0 + 30 + 0 + 0 + 606 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is not an unprimeable number, because it can be changed into a prime (30030006067) 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, 1436644 + ... + 1457396.
It is an arithmetic number, because the mean of its divisors is an integer number (1265371380).
Almost surely, 230030006060 is an apocalyptic number.
30030006060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30030006060 is an abundant number, since it is smaller than the sum of its proper divisors (61076733300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30030006060 is a wasteful number, since it uses less digits than its factorization.
30030006060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28807 (or 28802 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 30030006060 its reverse (6060003003), we get a palindrome (36090009063).
The spelling of 30030006060 in words is "thirty billion, thirty million, six thousand, sixty", and thus it is an eban number.
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