Base | Representation |
---|---|
bin | 11011111100101111… |
… | …111010010110110000 |
3 | 2212110110112020022201 |
4 | 123330233322112300 |
5 | 442430104101000 |
6 | 21441515112544 |
7 | 2111452451413 |
oct | 337457722660 |
9 | 85413466281 |
10 | 30010222000 |
11 | 117aaa95a70 |
12 | 5996442754 |
13 | 2aa3533a15 |
14 | 1649949b7a |
15 | ba999796a |
hex | 6fcbfa5b0 |
30010222000 has 80 divisors (see below), whose sum is σ = 79161567264. Its totient is φ = 10912800000.
The previous prime is 30010221991. The next prime is 30010222007. The reversal of 30010222000 is 22201003.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×300102220002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (30010222007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660051 + ... + 704050.
Almost surely, 230010222000 is an apocalyptic number.
It is an amenable number.
30010222000 is an abundant number, since it is smaller than the sum of its proper divisors (49151345264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30010222000 is a wasteful number, since it uses less digits than its factorization.
30010222000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1364135 (or 1364119 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 10.
Adding to 30010222000 its reverse (22201003), we get a palindrome (30032423003).
The spelling of 30010222000 in words is "thirty billion, ten million, two hundred twenty-two thousand".
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