Base | Representation |
---|---|
bin | 1101101001000111011000… |
… | …00100001000110111011011 |
3 | 10221012222021102110122212020 |
4 | 12310203230010020313123 |
5 | 12413010011044300011 |
6 | 143445452034345523 |
7 | 6214300160305260 |
oct | 664435404106733 |
9 | 127188242418766 |
10 | 30000012103131 |
11 | 9616a2a808344 |
12 | 344625342b2a3 |
13 | 1397cb1ab9175 |
14 | 75a018c1b267 |
15 | 370580dba006 |
hex | 1b48ec108ddb |
30000012103131 has 32 divisors (see below), whose sum is σ = 46499562017280. Its totient is φ = 16848522852096.
The previous prime is 30000012103109. The next prime is 30000012103157. The reversal of 30000012103131 is 13130121000003.
It is not a de Polignac number, because 30000012103131 - 217 = 30000011972059 is a prime.
It is a super-2 number, since 2×300000121031312 (a number of 28 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 30000012103131.
It is not an unprimeable number, because it can be changed into a prime (30000012103231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2805925 + ... + 8238521.
It is an arithmetic number, because the mean of its divisors is an integer number (1453111313040).
Almost surely, 230000012103131 is an apocalyptic number.
30000012103131 is a deficient number, since it is larger than the sum of its proper divisors (16499549914149).
30000012103131 is a wasteful number, since it uses less digits than its factorization.
30000012103131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5437123.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 30000012103131 its reverse (13130121000003), we get a palindrome (43130133103134).
The spelling of 30000012103131 in words is "thirty trillion, twelve million, one hundred three thousand, one hundred thirty-one".
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