Base | Representation |
---|---|
bin | 11100101111010110… |
… | …010000001101000000 |
3 | 2221122121220102100000 |
4 | 130233112100031000 |
5 | 1001144414240020 |
6 | 22102042200000 |
7 | 2141501211000 |
oct | 345726201500 |
9 | 87577812300 |
10 | 30859133760 |
11 | 120a61a3a34 |
12 | 5b927b3000 |
13 | 2baa380880 |
14 | 16ca5a8000 |
15 | c09282090 |
hex | 72f590340 |
30859133760 has 1344 divisors, whose sum is σ = 139793472000. Its totient is φ = 6437781504.
The previous prime is 30859133749. The next prime is 30859133761. The reversal of 30859133760 is 6733195803.
30859133760 is a `hidden beast` number, since 308 + 5 + 9 + 1 + 337 + 6 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (1344).
It is a super-2 number, since 2×308591337602 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30859133761) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 346731796 + ... + 346731884.
It is an arithmetic number, because the mean of its divisors is an integer number (104013000).
Almost surely, 230859133760 is an apocalyptic number.
30859133760 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 30859133760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69896736000).
30859133760 is an abundant number, since it is smaller than the sum of its proper divisors (108934338240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30859133760 is an equidigital number, since it uses as much as digits as its factorization.
30859133760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155 (or 119 counting only the distinct ones).
The product of its (nonzero) digits is 408240, while the sum is 45.
The spelling of 30859133760 in words is "thirty billion, eight hundred fifty-nine million, one hundred thirty-three thousand, seven hundred sixty".
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