Base | Representation |
---|---|
bin | 1101101111010010101010… |
… | …10011011010000111001001 |
3 | 10221222021001022222021011211 |
4 | 12313221111103122013021 |
5 | 12424444122131023423 |
6 | 144131150220253121 |
7 | 6235522152151252 |
oct | 667512523320711 |
9 | 127867038867154 |
10 | 30212231111113 |
11 | 9698a31916047 |
12 | 347b3bb0a11a1 |
13 | 13b2002750b7c |
14 | 7663cba49b29 |
15 | 375d51e2110d |
hex | 1b7a554da1c9 |
30212231111113 has 4 divisors (see below), whose sum is σ = 31254032183940. Its totient is φ = 29170430038288.
The previous prime is 30212231111071. The next prime is 30212231111173. The reversal of 30212231111113 is 31111113221203.
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 23424080264649 + 6788150846464 = 4839843^2 + 2605408^2 .
It is not a de Polignac number, because 30212231111113 - 233 = 30203641176521 is a prime.
It is a super-2 number, since 2×302122311111132 (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 (30212231111173) 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, 520900536370 + ... + 520900536427.
It is an arithmetic number, because the mean of its divisors is an integer number (7813508045985).
Almost surely, 230212231111113 is an apocalyptic number.
It is an amenable number.
30212231111113 is a deficient number, since it is larger than the sum of its proper divisors (1041801072827).
30212231111113 is a wasteful number, since it uses less digits than its factorization.
30212231111113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1041801072826.
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 30212231111113 its reverse (31111113221203), we get a palindrome (61323344332316).
The spelling of 30212231111113 in words is "thirty trillion, two hundred twelve billion, two hundred thirty-one million, one hundred eleven thousand, one hundred thirteen".
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