Base | Representation |
---|---|
bin | 11100010110111011… |
… | …101110010101101000 |
3 | 2220121002011012021200 |
4 | 130112323232111220 |
5 | 444330034313440 |
6 | 21553251004200 |
7 | 2125365462426 |
oct | 342673562550 |
9 | 86532135250 |
10 | 30449526120 |
11 | 11a05a66722 |
12 | 5a99599660 |
13 | 2b435571a0 |
14 | 168c022116 |
15 | bd3321c30 |
hex | 716eee568 |
30449526120 has 384 divisors, whose sum is σ = 111630355200. Its totient is φ = 7142141952.
The previous prime is 30449526091. The next prime is 30449526137. The reversal of 30449526120 is 2162594403.
It is a happy number.
30449526120 is a `hidden beast` number, since 3 + 0 + 4 + 4 + 9 + 526 + 120 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Sastry number since concatenated with its successor gives a square.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49191171 + ... + 49191789.
It is an arithmetic number, because the mean of its divisors is an integer number (290704050).
Almost surely, 230449526120 is an apocalyptic number.
30449526120 is a gapful number since it is divisible by the number (30) 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 30449526120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55815177600).
30449526120 is an abundant number, since it is smaller than the sum of its proper divisors (81180829080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30449526120 is a wasteful number, since it uses less digits than its factorization.
30449526120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1129 (or 1122 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The spelling of 30449526120 in words is "thirty billion, four hundred forty-nine million, five hundred twenty-six thousand, one hundred twenty".
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