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8747068968 = 23321179139801
BaseRepresentation
bin10000010010101110…
…11010111000101000
3211120121011010212100
420021113122320220
5120403222201333
64003544013400
7426521600541
oct101127327050
924517133770
108747068968
113789546420
121841461260
13a95252771
145cd9b54c8
15362db9213
hex2095dae28

8747068968 has 96 divisors (see below), whose sum is σ = 26170934400. Its totient is φ = 2617056000.

The previous prime is 8747068963. The next prime is 8747069011. The reversal of 8747068968 is 8698607478.

8747068968 is a `hidden beast` number, since 87 + 470 + 6 + 89 + 6 + 8 = 666.

It is a super-2 number, since 2×87470689682 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8747068963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7333 + ... + 132468.

It is an arithmetic number, because the mean of its divisors is an integer number (272613900).

Almost surely, 28747068968 is an apocalyptic number.

8747068968 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 8747068968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13085467200).

8747068968 is an abundant number, since it is smaller than the sum of its proper divisors (17423865432).

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

8747068968 is a wasteful number, since it uses less digits than its factorization.

8747068968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139903 (or 139896 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The square root of 8747068968 is about 93525.7663320649. The cubic root of 8747068968 is about 2060.4125362255.

The spelling of 8747068968 in words is "eight billion, seven hundred forty-seven million, sixty-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 79 88 99 132 158 198 237 264 316 396 474 632 711 792 869 948 1422 1738 1896 2607 2844 3476 5214 5688 6952 7821 10428 15642 20856 31284 62568 139801 279602 419403 559204 838806 1118408 1258209 1537811 1677612 2516418 3075622 3355224 4613433 5032836 6151244 9226866 10065672 11044279 12302488 13840299 18453732 22088558 27680598 33132837 36907464 44177116 55361196 66265674 88354232 99398511 110722392 121487069 132531348 198797022 242974138 265062696 364461207 397594044 485948276 728922414 795188088 971896552 1093383621 1457844828 2186767242 2915689656 4373534484 8747068968