Base | Representation |
---|---|
bin | 11100001001010100… |
… | …110001110101001001 |
3 | 2220000011112200120020 |
4 | 130021110301311021 |
5 | 443343112304001 |
6 | 21514453251053 |
7 | 2116624033500 |
oct | 341124616511 |
9 | 86004480506 |
10 | 30221213001 |
11 | 118a90a56a1 |
12 | 5a35033a89 |
13 | 2b08168975 |
14 | 166998d837 |
15 | bbd273736 |
hex | 709531d49 |
30221213001 has 48 divisors (see below), whose sum is σ = 48413147904. Its totient is φ = 16709638176.
The previous prime is 30221212993. The next prime is 30221213023. The reversal of 30221213001 is 10031212203.
It is not a de Polignac number, because 30221213001 - 23 = 30221212993 is a prime.
It is a super-2 number, since 2×302212130012 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30221213801) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 654006 + ... + 698688.
It is an arithmetic number, because the mean of its divisors is an integer number (1008607248).
Almost surely, 230221213001 is an apocalyptic number.
It is an amenable number.
30221213001 is a deficient number, since it is larger than the sum of its proper divisors (18191934903).
30221213001 is a wasteful number, since it uses less digits than its factorization.
30221213001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44850 (or 44843 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 30221213001 its reverse (10031212203), we get a palindrome (40252425204).
The spelling of 30221213001 in words is "thirty billion, two hundred twenty-one million, two hundred thirteen thousand, one".
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