Base | Representation |
---|---|
bin | 11100000010001011… |
… | …011001011100100000 |
3 | 2212200210221011010000 |
4 | 130002023121130200 |
5 | 443121414011222 |
6 | 21454531340000 |
7 | 2113636640640 |
oct | 340213313440 |
9 | 85623834100 |
10 | 30101313312 |
11 | 11847452244 |
12 | 5a00a51600 |
13 | 2ab93785c5 |
14 | 1657a9c520 |
15 | bb298c9ac |
hex | 7022d9720 |
30101313312 has 240 divisors, whose sum is σ = 106500018240. Its totient is φ = 8147630592.
The previous prime is 30101313299. The next prime is 30101313323. The reversal of 30101313312 is 21331310103.
It is a happy number.
30101313312 is a `hidden beast` number, since 30 + 10 + 1 + 313 + 312 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 301078 + ... + 388394.
It is an arithmetic number, because the mean of its divisors is an integer number (443750076).
Almost surely, 230101313312 is an apocalyptic number.
30101313312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30101313312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53250009120).
30101313312 is an abundant number, since it is smaller than the sum of its proper divisors (76398704928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30101313312 is a wasteful number, since it uses less digits than its factorization.
30101313312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87365 (or 87348 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 30101313312 its reverse (21331310103), we get a palindrome (51432623415).
The spelling of 30101313312 in words is "thirty billion, one hundred one million, three hundred thirteen thousand, three hundred twelve".
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