Base | Representation |
---|---|
bin | 1101110000011100100100… |
… | …10111000001001100100000 |
3 | 10222010001110122010111000000 |
4 | 12320032102113001030200 |
5 | 12431121403001022342 |
6 | 144201311412300000 |
7 | 6241425351466641 |
oct | 670162227011440 |
9 | 128101418114000 |
10 | 30251910173472 |
11 | 9703843699969 |
12 | 3487033611600 |
13 | 13b59871844b0 |
14 | 7682b37536c8 |
15 | 376dc566044c |
hex | 1b83925c1320 |
30251910173472 has 672 divisors, whose sum is σ = 99828054305280. Its totient is φ = 8957190574080.
The previous prime is 30251910173437. The next prime is 30251910173489. The reversal of 30251910173472 is 27437101915203.
30251910173472 is a `hidden beast` number, since 3 + 0 + 2 + 5 + 1 + 9 + 1 + 0 + 173 + 472 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1682802948 + ... + 1682820924.
It is an arithmetic number, because the mean of its divisors is an integer number (148553652240).
Almost surely, 230251910173472 is an apocalyptic number.
30251910173472 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 30251910173472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49914027152640).
30251910173472 is an abundant number, since it is smaller than the sum of its proper divisors (69576144131808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30251910173472 is a wasteful number, since it uses less digits than its factorization.
30251910173472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18228 (or 18205 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 45.
The spelling of 30251910173472 in words is "thirty trillion, two hundred fifty-one billion, nine hundred ten million, one hundred seventy-three thousand, four hundred seventy-two".
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