Base | Representation |
---|---|
bin | 11100101000111010… |
… | …000101011100000000 |
3 | 2221101002121001010120 |
4 | 130220322011130000 |
5 | 1000434234230321 |
6 | 22043222300240 |
7 | 2136016630635 |
oct | 345072053400 |
9 | 87332531116 |
10 | 30751086336 |
11 | 12050206343 |
12 | 5b62587680 |
13 | 2b90b80199 |
14 | 16ba0c018c |
15 | beea3cec6 |
hex | 728e85700 |
30751086336 has 144 divisors (see below), whose sum is σ = 84788635680. Its totient is φ = 9887088640.
The previous prime is 30751086307. The next prime is 30751086347. The reversal of 30751086336 is 63368015703.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2796946 + ... + 2807918.
It is an arithmetic number, because the mean of its divisors is an integer number (588809970).
Almost surely, 230751086336 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30751086336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42394317840).
30751086336 is an abundant number, since it is smaller than the sum of its proper divisors (54037549344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30751086336 is a wasteful number, since it uses less digits than its factorization.
30751086336 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11122 (or 11108 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 42.
The spelling of 30751086336 in words is "thirty billion, seven hundred fifty-one million, eighty-six thousand, three hundred thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •