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6845658733968 = 243984191449089
BaseRepresentation
bin110001110011110000100…
…0011101001110110010000
3220020102211201122022001220
41203213201003221312100
51344124402113441333
622320504024325040
71304403543102525
oct143474103516620
926212751568056
106845658733968
1121aa25598682a
12926899313780
133a870983bb02
1419949009914c
15bd1109388b3
hex639e10e9d90

6845658733968 has 40 divisors (see below), whose sum is σ = 17684810287200. Its totient is φ = 2281861484544.

The previous prime is 6845658733951. The next prime is 6845658733981. The reversal of 6845658733968 is 8693378565486.

It is a junction number, because it is equal to n+sod(n) for n = 6845658733893 and 6845658733902.

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, 3999568 + ... + 5448656.

It is an arithmetic number, because the mean of its divisors is an integer number (442120257180).

Almost surely, 26845658733968 is an apocalyptic number.

It is an amenable number.

6845658733968 is an abundant number, since it is smaller than the sum of its proper divisors (10839151553232).

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

6845658733968 is a wasteful number, since it uses less digits than its factorization.

6845658733968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547519 (or 1547513 counting only the distinct ones).

The product of its digits is 6270566400, while the sum is 78.

The spelling of 6845658733968 in words is "six trillion, eight hundred forty-five billion, six hundred fifty-eight million, seven hundred thirty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 98419 196838 295257 393676 590514 787352 1181028 1449089 1574704 2362056 2898178 4347267 4724112 5796356 8694534 11592712 17389068 23185424 34778136 69556272 142617890291 285235780582 427853670873 570471561164 855707341746 1140943122328 1711414683492 2281886244656 3422829366984 6845658733968