Base | Representation |
---|---|
bin | 1101111101000001011111… |
… | …10010100101010010000000 |
3 | 11000122100220001222022010000 |
4 | 12332200233302211102000 |
5 | 13010211412311323210 |
6 | 145132020201040000 |
7 | 6314564213631300 |
oct | 676405762452200 |
9 | 130570801868100 |
10 | 30684048151680 |
11 | 9860039282a30 |
12 | 3536935786000 |
13 | 1417654ab1c91 |
14 | 781189c95600 |
15 | 3832686ecac0 |
hex | 1be82fca5480 |
30684048151680 has 3840 divisors, whose sum is σ = 151498839888000. Its totient is φ = 5829118525440.
The previous prime is 30684048151663. The next prime is 30684048151681. The reversal of 30684048151680 is 8615184048603.
30684048151680 is a `hidden beast` number, since 3 + 0 + 6 + 8 + 4 + 0 + 48 + 1 + 516 + 80 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (30684048151681) by changing a digit.
It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 15395908764 + ... + 15395910756.
Almost surely, 230684048151680 is an apocalyptic number.
30684048151680 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 30684048151680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75749419944000).
30684048151680 is an abundant number, since it is smaller than the sum of its proper divisors (120814791736320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30684048151680 is a wasteful number, since it uses less digits than its factorization.
30684048151680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2097 (or 2069 counting only the distinct ones).
The product of its (nonzero) digits is 4423680, while the sum is 54.
The spelling of 30684048151680 in words is "thirty trillion, six hundred eighty-four billion, forty-eight million, one hundred fifty-one thousand, six hundred eighty".
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