Base | Representation |
---|---|
bin | 1101110010001101111001… |
… | …11100000000000000000000 |
3 | 10222022212111221121211000000 |
4 | 12321012330330000000000 |
5 | 12433121010014144440 |
6 | 144245253104000000 |
7 | 6246011206105110 |
oct | 671067474000000 |
9 | 128285457554000 |
10 | 30312754053120 |
11 | 9727626458220 |
12 | 3496994000000 |
13 | 13bb6326b8c46 |
14 | 76b206315040 |
15 | 378787006730 |
hex | 1b91bcf00000 |
30312754053120 has 2352 divisors, whose sum is σ = 137311112719872. Its totient is φ = 6237601136640.
The previous prime is 30312754053103. The next prime is 30312754053161. The reversal of 30312754053120 is 2135045721303.
30312754053120 is a `hidden beast` number, since 3 + 0 + 3 + 12 + 75 + 40 + 531 + 2 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
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, 294298582989 + ... + 294298583091.
It is an arithmetic number, because the mean of its divisors is an integer number (58380575136).
Almost surely, 230312754053120 is an apocalyptic number.
30312754053120 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 30312754053120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68655556359936).
30312754053120 is an abundant number, since it is smaller than the sum of its proper divisors (106998358666752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30312754053120 is an frugal number, since it uses more digits than its factorization.
30312754053120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184 (or 131 counting only the distinct ones).
The product of its (nonzero) digits is 75600, while the sum is 36.
Adding to 30312754053120 its reverse (2135045721303), we get a palindrome (32447799774423).
The spelling of 30312754053120 in words is "thirty trillion, three hundred twelve billion, seven hundred fifty-four million, fifty-three thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.038 sec. • engine limits •