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30885213744 = 24327112785463
BaseRepresentation
bin11100110000111001…
…101111011000110000
32221201102222102100100
4130300321233120300
51001223103314434
622104413152400
72142235661640
oct346071573060
987642872310
1030885213744
1112109997240
125b9b48b700
132bb28b2508
1416cdc36520
15c0b6d4699
hex730e6f630

30885213744 has 120 divisors (see below), whose sum is σ = 107764031232. Its totient is φ = 8022130560.

The previous prime is 30885213707. The next prime is 30885213761. The reversal of 30885213744 is 44731258803.

30885213744 is a `hidden beast` number, since 3 + 0 + 88 + 521 + 3 + 7 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 30885213744.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1381644 + ... + 1403819.

Almost surely, 230885213744 is an apocalyptic number.

It is an amenable number.

30885213744 is an abundant number, since it is smaller than the sum of its proper divisors (76878817488).

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

30885213744 is a wasteful number, since it uses less digits than its factorization.

30885213744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785495 (or 2785486 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 30885213744 in words is "thirty billion, eight hundred eighty-five million, two hundred thirteen thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 33 36 42 44 48 56 63 66 72 77 84 88 99 112 126 132 144 154 168 176 198 231 252 264 308 336 396 462 504 528 616 693 792 924 1008 1232 1386 1584 1848 2772 3696 5544 11088 2785463 5570926 8356389 11141852 16712778 19498241 22283704 25069167 30640093 33425556 38996482 44567408 50138334 58494723 61280186 66851112 77992964 91920279 100276668 116989446 122560372 133702224 155985928 175484169 183840558 200553336 214480651 233978892 245120744 275760837 311971856 350968338 367681116 401106672 428961302 467957784 490241488 551521674 643441953 701936676 735362232 857922604 935915568 1103043348 1286883906 1403873352 1470724464 1715845208 1930325859 2206086696 2573767812 2807746704 3431690416 3860651718 4412173392 5147535624 7721303436 10295071248 15442606872 30885213744