Base | Representation |
---|---|
bin | 11100001000001100… |
… | …010111010101101001 |
3 | 2212221211211020221121 |
4 | 130020030113111221 |
5 | 443323232330441 |
6 | 21512534335241 |
7 | 2116303502020 |
oct | 341014272551 |
9 | 85854736847 |
10 | 30202230121 |
11 | 1189940a568 |
12 | 5a2a7ba521 |
13 | 2b042504ab |
14 | 166724b8b7 |
15 | bbb773dd1 |
hex | 708317569 |
30202230121 has 16 divisors (see below), whose sum is σ = 36362800000. Its totient is φ = 24505348608.
The previous prime is 30202230103. The next prime is 30202230173. The reversal of 30202230121 is 12103220203.
It is a cyclic number.
It is not a de Polignac number, because 30202230121 - 25 = 30202230089 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30202230095 and 30202230104.
It is not an unprimeable number, because it can be changed into a prime (30202230101) 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, 75211 + ... + 257023.
It is an arithmetic number, because the mean of its divisors is an integer number (2272675000).
Almost surely, 230202230121 is an apocalyptic number.
It is an amenable number.
30202230121 is a deficient number, since it is larger than the sum of its proper divisors (6160569879).
30202230121 is a wasteful number, since it uses less digits than its factorization.
30202230121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183088.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 30202230121 its reverse (12103220203), we get a palindrome (42305450324).
The spelling of 30202230121 in words is "thirty billion, two hundred two million, two hundred thirty thousand, one hundred twenty-one".
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