Base | Representation |
---|---|
bin | 1101110001010100010010… |
… | …10101010111100000000000 |
3 | 10222012220200100100202121000 |
4 | 12320222021111113200000 |
5 | 12432114133310013142 |
6 | 144223135551132000 |
7 | 6243534546636030 |
oct | 670521125274000 |
9 | 128186610322530 |
10 | 30281823516672 |
11 | 97154a3a25402 |
12 | 34909a1514000 |
13 | 13b87435c8280 |
14 | 7699104818c0 |
15 | 377a7686d14c |
hex | 1b8a89557800 |
30281823516672 has 3072 divisors, whose sum is σ = 124268691456000. Its totient is φ = 7058961727488.
The previous prime is 30281823516661. The next prime is 30281823516727. The reversal of 30281823516672 is 27661532818203.
30281823516672 is a `hidden beast` number, since 3 + 0 + 28 + 18 + 23 + 516 + 6 + 72 = 666.
It is a tau number, because it is divible by the number of its divisors (3072).
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 255 ways as a sum of consecutive naturals, for example, 103350933358 + ... + 103350933650.
It is an arithmetic number, because the mean of its divisors is an integer number (40452048000).
Almost surely, 230281823516672 is an apocalyptic number.
30281823516672 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 30281823516672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62134345728000).
30281823516672 is an abundant number, since it is smaller than the sum of its proper divisors (93986867939328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30281823516672 is a wasteful number, since it uses less digits than its factorization.
30281823516672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 433 (or 407 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 54.
The spelling of 30281823516672 in words is "thirty trillion, two hundred eighty-one billion, eight hundred twenty-three million, five hundred sixteen thousand, six hundred seventy-two".
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