Base | Representation |
---|---|
bin | 1101101111110101110101… |
… | …01001010001100100110000 |
3 | 10222001001210010012201201011 |
4 | 12313322322221101210300 |
5 | 12430301303432230222 |
6 | 144143551502320304 |
7 | 6240061055311204 |
oct | 667727251214460 |
9 | 128031703181634 |
10 | 30231111211312 |
11 | 96a5a40178840 |
12 | 3482ba9b89094 |
13 | 13b3a210cb1ab |
14 | 76729d2d2b04 |
15 | 3765a96c4c77 |
hex | 1b7ebaa51930 |
30231111211312 has 40 divisors (see below), whose sum is σ = 64320738780672. Its totient is φ = 13650411432000.
The previous prime is 30231111211307. The next prime is 30231111211337. The reversal of 30231111211312 is 21311211113203.
It is a super-2 number, since 2×302311112113122 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568740568 + ... + 568793719.
Almost surely, 230231111211312 is an apocalyptic number.
It is an amenable number.
30231111211312 is an abundant number, since it is smaller than the sum of its proper divisors (34089627569360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231111211312 is a wasteful number, since it uses less digits than its factorization.
30231111211312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1137534457 (or 1137534451 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 30231111211312 its reverse (21311211113203), we get a palindrome (51542322324515).
The spelling of 30231111211312 in words is "thirty trillion, two hundred thirty-one billion, one hundred eleven million, two hundred eleven thousand, three hundred twelve".
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