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30523078752 = 2531277248981
BaseRepresentation
bin11100011011010100…
…010011100001100000
32220210012120001112020
4130123110103201200
51000002402010002
622004435301440
72130250613535
oct343324234140
986705501466
1030523078752
1111a43533921
125aba14a880
132b5586aa5a
141697acad8c
15bd9a002bc
hex71b513860

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".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1277 2554 3831 5108 7662 10216 15324 20432 30648 40864 61296 122592 248981 497962 746943 995924 1493886 1991848 2987772 3983696 5975544 7967392 11951088 23902176 317948737 635897474 953846211 1271794948 1907692422 2543589896 3815384844 5087179792 7630769688 10174359584 15261539376 30523078752