Base | Representation |
---|---|
bin | 11100001000110101… |
… | …111010010001011001 |
3 | 2212222121022120120200 |
4 | 130020311322101121 |
5 | 443334024333423 |
6 | 21514004012413 |
7 | 2116465202130 |
oct | 341065722131 |
9 | 85877276520 |
10 | 30213121113 |
11 | 118a457908a |
12 | 5a32391109 |
13 | 2b06594776 |
14 | 1668884917 |
15 | bbc6c5d43 |
hex | 708d7a459 |
30213121113 has 48 divisors (see below), whose sum is σ = 51598415232. Its totient is φ = 16676640000.
The previous prime is 30213121097. The next prime is 30213121139. The reversal of 30213121113 is 31112131203.
It is not a de Polignac number, because 30213121113 - 24 = 30213121097 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30213121153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202978 + ... + 318788.
It is an arithmetic number, because the mean of its divisors is an integer number (1074966984).
Almost surely, 230213121113 is an apocalyptic number.
It is an amenable number.
30213121113 is a deficient number, since it is larger than the sum of its proper divisors (21385294119).
30213121113 is a wasteful number, since it uses less digits than its factorization.
30213121113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115966 (or 115963 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 30213121113 its reverse (31112131203), we get a palindrome (61325252316).
The spelling of 30213121113 in words is "thirty billion, two hundred thirteen million, one hundred twenty-one thousand, one hundred thirteen".
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