Base | Representation |
---|---|
bin | 11100001000001000… |
… | …100001000011001011 |
3 | 2212221202221000010201 |
4 | 130020020201003023 |
5 | 443323003040243 |
6 | 21512500553031 |
7 | 2116262100640 |
oct | 341010410313 |
9 | 85852830121 |
10 | 30201221323 |
11 | 11898890649 |
12 | 5a2a3b2777 |
13 | 2b03c89280 |
14 | 1667067dc7 |
15 | bbb62504d |
hex | 7082210cb |
30201221323 has 16 divisors (see below), whose sum is σ = 37531626496. Its totient is φ = 23663469600.
The previous prime is 30201221287. The next prime is 30201221359. The reversal of 30201221323 is 32312210203.
It is an interprime number because it is at equal distance from previous prime (30201221287) and next prime (30201221359).
It is a cyclic number.
It is not a de Polignac number, because 30201221323 - 213 = 30201213131 is a prime.
It is a super-2 number, since 2×302012213232 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30201221323.
It is not an unprimeable number, because it can be changed into a prime (30201201323) 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, 1601703 + ... + 1620448.
It is an arithmetic number, because the mean of its divisors is an integer number (2345726656).
Almost surely, 230201221323 is an apocalyptic number.
30201221323 is a deficient number, since it is larger than the sum of its proper divisors (7330405173).
30201221323 is a wasteful number, since it uses less digits than its factorization.
30201221323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3222274.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30201221323 its reverse (32312210203), we get a palindrome (62513431526).
The spelling of 30201221323 in words is "thirty billion, two hundred one million, two hundred twenty-one thousand, three hundred twenty-three".
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