Base | Representation |
---|---|
bin | 11100011011000111… |
… | …110010101101100000 |
3 | 2220202222101102001000 |
4 | 130123013302231200 |
5 | 1000001032023444 |
6 | 22004241112000 |
7 | 2130211002510 |
oct | 343307625540 |
9 | 86688342030 |
10 | 30519798624 |
11 | 11a416a3477 |
12 | 5ab9028600 |
13 | 2b54c8ca53 |
14 | 16974b5840 |
15 | bd95a3469 |
hex | 71b1f2b60 |
30519798624 has 384 divisors, whose sum is σ = 108820454400. Its totient is φ = 8122982400.
The previous prime is 30519798601. The next prime is 30519798643. The reversal of 30519798624 is 42689791503.
30519798624 is a `hidden beast` number, since 3 + 0 + 5 + 1 + 9 + 7 + 9 + 8 + 624 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10382947 + ... + 10385885.
It is an arithmetic number, because the mean of its divisors is an integer number (283386600).
It is a 2-persistent number, because it is pandigital, and so is 2⋅30519798624 = 61039597248, but 3⋅30519798624 = 91559395872 is not.
Almost surely, 230519798624 is an apocalyptic number.
30519798624 is a gapful number since it is divisible by the number (34) 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 30519798624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54410227200).
30519798624 is an abundant number, since it is smaller than the sum of its proper divisors (78300655776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30519798624 is a wasteful number, since it uses less digits than its factorization.
30519798624 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3083 (or 3069 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
It can be divided in two parts, 3051979 and 8624, that added together give a palindrome (3060603).
The spelling of 30519798624 in words is "thirty billion, five hundred nineteen million, seven hundred ninety-eight thousand, six hundred twenty-four".
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