Base | Representation |
---|---|
bin | 11100001000001011… |
… | …100001101001100101 |
3 | 2212221211102002021212 |
4 | 130020023201221211 |
5 | 443323203311323 |
6 | 21512525521205 |
7 | 2116301564624 |
oct | 341013415145 |
9 | 85854362255 |
10 | 30202010213 |
11 | 1189927a321 |
12 | 5a2a713205 |
13 | 2b041a437b |
14 | 16671d16bb |
15 | bbb72db78 |
hex | 7082e1a65 |
30202010213 has 4 divisors (see below), whose sum is σ = 30230423328. Its totient is φ = 30173597100.
The previous prime is 30202010149. The next prime is 30202010227. The reversal of 30202010213 is 31201020203.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31201020203 = 43 ⋅725605121.
It is a cyclic number.
It is not a de Polignac number, because 30202010213 - 26 = 30202010149 is a prime.
It is a super-2 number, since 2×302020102132 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30202010273) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14204963 + ... + 14207088.
It is an arithmetic number, because the mean of its divisors is an integer number (7557605832).
Almost surely, 230202010213 is an apocalyptic number.
It is an amenable number.
30202010213 is a deficient number, since it is larger than the sum of its proper divisors (28413115).
30202010213 is a wasteful number, since it uses less digits than its factorization.
30202010213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28413114.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 30202010213 its reverse (31201020203), we get a palindrome (61403030416).
The spelling of 30202010213 in words is "thirty billion, two hundred two million, ten thousand, two hundred thirteen".
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