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30504983520 = 2535115777459
BaseRepresentation
bin11100011010001111…
…010001101111100000
32220201221111201112110
4130122033101233200
5444433233433040
622002551355320
72126641040004
oct343217215740
986657451473
1030504983520
1111a342a4690
125ab4082b40
132b51ba360b
14169553a704
15bd8128980
hex71a3d1be0

30504983520 has 96 divisors (see below), whose sum is σ = 104826234240. Its totient is φ = 7395146240.

The previous prime is 30504983497. The next prime is 30504983533. The reversal of 30504983520 is 2538940503.

It is a tau number, because it is divible by the number of its divisors (96).

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, 2883450 + ... + 2894009.

It is an arithmetic number, because the mean of its divisors is an integer number (1091939940).

Almost surely, 230504983520 is an apocalyptic number.

30504983520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30504983520 is an abundant number, since it is smaller than the sum of its proper divisors (74321250720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30504983520 is a wasteful number, since it uses less digits than its factorization.

30504983520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777488 (or 5777480 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 30504983520 in words is "thirty billion, five hundred four million, nine hundred eighty-three thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 132 160 165 176 220 240 264 330 352 440 480 528 660 880 1056 1320 1760 2640 5280 5777459 11554918 17332377 23109836 28887295 34664754 46219672 57774590 63552049 69329508 86661885 92439344 115549180 127104098 138659016 173323770 184878688 190656147 231098360 254208196 277318032 317760245 346647540 381312294 462196720 508416392 554636064 635520490 693295080 762624588 924393440 953280735 1016832784 1271040980 1386590160 1525249176 1906561470 2033665568 2542081960 2773180320 3050498352 3813122940 5084163920 6100996704 7626245880 10168327840 15252491760 30504983520