Base | Representation |
---|---|
bin | 11100000011111010… |
… | …000001001101000000 |
3 | 2212202211111102211111 |
4 | 130003322001031000 |
5 | 443201324441000 |
6 | 21501445053104 |
7 | 2114441266135 |
oct | 340372011500 |
9 | 85684442744 |
10 | 30130312000 |
11 | 118618593a8 |
12 | 5a0a6b7194 |
13 | 2ac238c8a9 |
14 | 165b88a58c |
15 | bb52b9cba |
hex | 703e81340 |
30130312000 has 112 divisors (see below), whose sum is σ = 75641344272. Its totient is φ = 11886796800.
The previous prime is 30130311979. The next prime is 30130312013. The reversal of 30130312000 is 21303103.
It can be written as a sum of positive squares in 8 ways, for example, as 1360724544 + 28769587456 = 36888^2 + 169616^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558204 + ... + 609796.
Almost surely, 230130312000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30130312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37820672136).
30130312000 is an abundant number, since it is smaller than the sum of its proper divisors (45511032272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30130312000 is an equidigital number, since it uses as much as digits as its factorization.
30130312000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51693 (or 51673 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 30130312000 its reverse (21303103), we get a palindrome (30151615103).
The spelling of 30130312000 in words is "thirty billion, one hundred thirty million, three hundred twelve thousand".
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