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30705266048 = 274122326237
BaseRepresentation
bin11100100110001011…
…010010110110000000
32221020220101010111212
4130212023102312000
51000341022003143
622034504225252
72134622312042
oct344613226600
987226333455
1030705266048
111202735a936
125b4b16b228
132b845293a2
1416b3d93a92
15bea9db918
hex7262d2d80

30705266048 has 64 divisors (see below), whose sum is σ = 62946011520. Its totient is φ = 14910443520.

The previous prime is 30705266029. The next prime is 30705266069. The reversal of 30705266048 is 84066250703.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 30705265996 and 30705266014.

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, 1157186 + ... + 1183422.

It is an arithmetic number, because the mean of its divisors is an integer number (983531430).

Almost surely, 230705266048 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 30705266048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31473005760).

30705266048 is an abundant number, since it is smaller than the sum of its proper divisors (32240745472).

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

30705266048 is a wasteful number, since it uses less digits than its factorization.

30705266048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26515 (or 26503 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 30705266048 in words is "thirty billion, seven hundred five million, two hundred sixty-six thousand, forty-eight".

Divisors: 1 2 4 8 16 32 41 64 82 128 164 223 328 446 656 892 1312 1784 2624 3568 5248 7136 9143 14272 18286 26237 28544 36572 52474 73144 104948 146288 209896 292576 419792 585152 839584 1075717 1170304 1679168 2151434 3358336 4302868 5850851 8605736 11701702 17211472 23403404 34422944 46806808 68845888 93613616 137691776 187227232 239884891 374454464 479769782 748908928 959539564 1919079128 3838158256 7676316512 15352633024 30705266048