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8695445968 = 2411417691567
BaseRepresentation
bin10000001100100100…
…11111100111010000
3211110000000102102101
420012102133213100
5120302013232333
63554501330144
7425324033266
oct100622374720
924400012371
108695445968
113762397290
121828106954
13a87649701
145c6bb8436
1535d5bd67d
hex20649f9d0

8695445968 has 80 divisors (see below), whose sum is σ = 18863792640. Its totient is φ = 3848601600.

The previous prime is 8695445963. The next prime is 8695445971.

8695445968 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×86954459682 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8695445963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5548321 + ... + 5549887.

It is an arithmetic number, because the mean of its divisors is an integer number (235797408).

Almost surely, 28695445968 is an apocalyptic number.

8695445968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8695445968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9431896320).

8695445968 is an abundant number, since it is smaller than the sum of its proper divisors (10168346672).

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

8695445968 is a wasteful number, since it uses less digits than its factorization.

8695445968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2390 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 64.

The square root of 8695445968 is about 93249.3751614455. The cubic root of 8695445968 is about 2056.3511905955.

The spelling of 8695445968 in words is "eight billion, six hundred ninety-five million, four hundred forty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 41 44 82 88 164 176 328 451 656 769 902 1538 1567 1804 3076 3134 3608 6152 6268 7216 8459 12304 12536 16918 17237 25072 31529 33836 34474 63058 64247 67672 68948 126116 128494 135344 137896 252232 256988 275792 346819 504464 513976 693638 706717 1027952 1205023 1387276 1413434 2410046 2774552 2826868 4820092 5549104 5653736 9640184 11307472 13255253 19280368 26510506 49405943 53021012 98811886 106042024 197623772 212084048 395247544 543465373 790495088 1086930746 2173861492 4347722984 8695445968