Base | Representation |
---|---|
bin | 11100011011010100… |
… | …010011100001100000 |
3 | 2220210012120001112020 |
4 | 130123110103201200 |
5 | 1000002402010002 |
6 | 22004435301440 |
7 | 2130250613535 |
oct | 343324234140 |
9 | 86705501466 |
10 | 30523078752 |
11 | 11a43533921 |
12 | 5aba14a880 |
13 | 2b5586aa5a |
14 | 1697acad8c |
15 | bd9a002bc |
hex | 71b513860 |
30523078752 has 48 divisors (see below), whose sum is σ = 80186146992. Its totient is φ = 10166351360.
The previous prime is 30523078711. The next prime is 30523078769. The reversal of 30523078752 is 25787032503.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899 + ... + 247082.
It is an arithmetic number, because the mean of its divisors is an integer number (1670544729).
Almost surely, 230523078752 is an apocalyptic number.
30523078752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30523078752 is an abundant number, since it is smaller than the sum of its proper divisors (49663068240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30523078752 is a wasteful number, since it uses less digits than its factorization.
30523078752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250271 (or 250263 counting only the distinct ones).
The product of its (nonzero) digits is 352800, while the sum is 42.
The spelling of 30523078752 in words is "thirty billion, five hundred twenty-three million, seventy-eight thousand, seven hundred fifty-two".
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