Base | Representation |
---|---|
bin | 1101101111010100011111… |
… | …10001101000000100001001 |
3 | 10221222100120200220020012011 |
4 | 12313222033301220010021 |
5 | 12430003124300023423 |
6 | 144131431422415521 |
7 | 6235555363416463 |
oct | 667521761500411 |
9 | 127870520806164 |
10 | 30213212111113 |
11 | 9699395641949 |
12 | 347b6337315a1 |
13 | 13b212aa67b45 |
14 | 76648204d133 |
15 | 375dad0ecb0d |
hex | 1b7a8fc68109 |
30213212111113 has 4 divisors (see below), whose sum is σ = 30287083045780. Its totient is φ = 30139341176448.
The previous prime is 30213212111081. The next prime is 30213212111123. The reversal of 30213212111113 is 31111121231203.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 27030973553424 + 3182238557689 = 5199132^2 + 1783883^2 .
It is a cyclic number.
It is not a de Polignac number, because 30213212111113 - 25 = 30213212111081 is a prime.
It is a super-2 number, since 2×302132121111132 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30213212111123) 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, 36935466720 + ... + 36935467537.
It is an arithmetic number, because the mean of its divisors is an integer number (7571770761445).
Almost surely, 230213212111113 is an apocalyptic number.
It is an amenable number.
30213212111113 is a deficient number, since it is larger than the sum of its proper divisors (73870934667).
30213212111113 is an equidigital number, since it uses as much as digits as its factorization.
30213212111113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73870934666.
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 30213212111113 its reverse (31111121231203), we get a palindrome (61324333342316).
The spelling of 30213212111113 in words is "thirty trillion, two hundred thirteen billion, two hundred twelve million, one hundred eleven thousand, one hundred thirteen".
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