Base | Representation |
---|---|
bin | 11011111101011001… |
… | …000100111001111000 |
3 | 2212111012211110221112 |
4 | 123331121010321320 |
5 | 442440334404422 |
6 | 21442542255452 |
7 | 2111643254366 |
oct | 337531047170 |
9 | 85435743845 |
10 | 30021013112 |
11 | 11806096542 |
12 | 5999b87588 |
13 | 2aa58416ac |
14 | 164b158636 |
15 | baa8c9ee2 |
hex | 6fd644e78 |
30021013112 has 32 divisors (see below), whose sum is σ = 58201279920. Its totient is φ = 14507516160.
The previous prime is 30021013111. The next prime is 30021013159. The reversal of 30021013112 is 21131012003.
It is a super-2 number, since 2×300210131122 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30021013111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392603 + ... + 462794.
Almost surely, 230021013112 is an apocalyptic number.
It is an amenable number.
30021013112 is a deficient number, since it is larger than the sum of its proper divisors (28180266808).
30021013112 is a wasteful number, since it uses less digits than its factorization.
30021013112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 855551 (or 855547 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 30021013112 its reverse (21131012003), we get a palindrome (51152025115).
The spelling of 30021013112 in words is "thirty billion, twenty-one million, thirteen thousand, one hundred twelve".
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