Base | Representation |
---|---|
bin | 11100011100011101… |
… | …101101011000111011 |
3 | 2220211112202200012220 |
4 | 130130131231120323 |
5 | 1000022313234321 |
6 | 22010403535123 |
7 | 2130603306153 |
oct | 343435553073 |
9 | 86745680186 |
10 | 30542321211 |
11 | 11a53386a86 |
12 | 5b0468a4a3 |
13 | 2b5984741c |
14 | 169a499763 |
15 | bdb5519c6 |
hex | 71c76d63b |
30542321211 has 4 divisors (see below), whose sum is σ = 40723094952. Its totient is φ = 20361547472.
The previous prime is 30542321189. The next prime is 30542321233. The reversal of 30542321211 is 11212324503.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11212324503 = 3 ⋅3737441501.
It is an interprime number because it is at equal distance from previous prime (30542321189) and next prime (30542321233).
It is a cyclic number.
It is not a de Polignac number, because 30542321211 - 215 = 30542288443 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30542321011) 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, 5090386866 + ... + 5090386871.
It is an arithmetic number, because the mean of its divisors is an integer number (10180773738).
Almost surely, 230542321211 is an apocalyptic number.
30542321211 is a deficient number, since it is larger than the sum of its proper divisors (10180773741).
30542321211 is a wasteful number, since it uses less digits than its factorization.
30542321211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10180773740.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 30542321211 its reverse (11212324503), we get a palindrome (41754645714).
The spelling of 30542321211 in words is "thirty billion, five hundred forty-two million, three hundred twenty-one thousand, two hundred eleven".
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