Base | Representation |
---|---|
bin | 11100001111011001… |
… | …100100010000010100 |
3 | 2220021021022200100012 |
4 | 130033121210100110 |
5 | 444100210201122 |
6 | 21532533535352 |
7 | 2122302235640 |
oct | 341731442024 |
9 | 86237280305 |
10 | 30323131412 |
11 | 11950687492 |
12 | 5a631a4558 |
13 | 2b23301712 |
14 | 167931dc20 |
15 | bc71a67e2 |
hex | 70f664414 |
30323131412 has 24 divisors (see below), whose sum is σ = 60650620800. Its totient is φ = 12994693920.
The previous prime is 30323131381. The next prime is 30323131427. The reversal of 30323131412 is 21413132303.
It is a super-2 number, since 2×303231314122 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
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, 478337 + ... + 538007.
It is an arithmetic number, because the mean of its divisors is an integer number (2527109200).
Almost surely, 230323131412 is an apocalyptic number.
It is an amenable number.
30323131412 is an abundant number, since it is smaller than the sum of its proper divisors (30327489388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30323131412 is a wasteful number, since it uses less digits than its factorization.
30323131412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77831 (or 77829 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 30323131412 its reverse (21413132303), we get a palindrome (51736263715).
The spelling of 30323131412 in words is "thirty billion, three hundred twenty-three million, one hundred thirty-one thousand, four hundred twelve".
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