Base | Representation |
---|---|
bin | 11100001110111010… |
… | …111110110110000000 |
3 | 2220020201020100022200 |
4 | 130032322332312000 |
5 | 444041132120411 |
6 | 21532050033200 |
7 | 2122144134066 |
oct | 341672766600 |
9 | 86221210280 |
10 | 30315113856 |
11 | 11947100805 |
12 | 5a60578800 |
13 | 2b217552c1 |
14 | 1678234036 |
15 | bc6620e56 |
hex | 70eebed80 |
30315113856 has 96 divisors (see below), whose sum is σ = 87739722720. Its totient is φ = 10046561280.
The previous prime is 30315113849. The next prime is 30315113921. The reversal of 30315113856 is 65831151303.
30315113856 is a `hidden beast` number, since 30 + 31 + 511 + 3 + 85 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×303151138562 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 30315113856.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123241 + ... + 275351.
It is an arithmetic number, because the mean of its divisors is an integer number (913955445).
Almost surely, 230315113856 is an apocalyptic number.
30315113856 is a gapful number since it is divisible by the number (36) 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 30315113856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43869861360).
30315113856 is an abundant number, since it is smaller than the sum of its proper divisors (57424608864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30315113856 is a wasteful number, since it uses less digits than its factorization.
30315113856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152304 (or 152289 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 36.
The spelling of 30315113856 in words is "thirty billion, three hundred fifteen million, one hundred thirteen thousand, eight hundred fifty-six".
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