Search a number
-
+
6801468866880 = 263522213189943
BaseRepresentation
bin110001011111001011100…
…1000101100000101000000
3220002012210001121110102220
41202332113020230011000
51342413402012220010
622244315054211040
71301250511323012
oct142762710540500
926065701543386
106801468866880
112192539952616
1291a2061b3a80
133a44b671aa6c
1419729b2721b2
15bbdc61c4970
hex62f9722c140

6801468866880 has 112 divisors (see below), whose sum is σ = 21604393371264. Its totient is φ = 1812907837440.

The previous prime is 6801468866851. The next prime is 6801468866891. The reversal of 6801468866880 is 886688641086.

It is a super-5 number, since 5×68014688668805 (a number of 65 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537189 + ... + 3727131.

Almost surely, 26801468866880 is an apocalyptic number.

6801468866880 is a gapful number since it is divisible by the number (60) 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 6801468866880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10802196685632).

6801468866880 is an abundant number, since it is smaller than the sum of its proper divisors (14802924504384).

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

6801468866880 is a wasteful number, since it uses less digits than its factorization.

6801468866880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192184 (or 3192174 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 69.

The spelling of 6801468866880 in words is "six trillion, eight hundred one billion, four hundred sixty-eight million, eight hundred sixty-six thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 2221 4442 6663 8884 11105 13326 17768 22210 26652 33315 35536 44420 53304 66630 71072 88840 106608 133260 142144 177680 213216 266520 355360 426432 533040 710720 1066080 2132160 3189943 6379886 9569829 12759772 15949715 19139658 25519544 31899430 38279316 47849145 51039088 63798860 76558632 95698290 102078176 127597720 153117264 191396580 204156352 255195440 306234528 382793160 510390880 612469056 765586320 1020781760 1531172640 3062345280 7084863403 14169726806 21254590209 28339453612 35424317015 42509180418 56678907224 70848634030 85018360836 106272951045 113357814448 141697268060 170036721672 212545902090 226715628896 283394536120 340073443344 425091804180 453431257792 566789072240 680146886688 850183608360 1133578144480 1360293773376 1700367216720 2267156288960 3400734433440 6801468866880