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7668359712 = 2532132389051
BaseRepresentation
bin1110010010001000…
…11110001000100000
3201210102101000221200
413021010132020200
5111201100002322
63304531321200
7361012660566
oct71104361040
921712330850
107668359712
113285653172
1215a0150200
13952917870
1452a619a36
152ed33b8ac
hex1c911e220

7668359712 has 144 divisors (see below), whose sum is σ = 24505685568. Its totient is φ = 2256883200.

The previous prime is 7668359687. The next prime is 7668359719. The reversal of 7668359712 is 2179538667.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (7668359719) 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, 41587 + ... + 130637.

It is an arithmetic number, because the mean of its divisors is an integer number (170178372).

Almost surely, 27668359712 is an apocalyptic number.

7668359712 is a gapful number since it is divisible by the number (72) 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 7668359712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12252842784).

7668359712 is an abundant number, since it is smaller than the sum of its proper divisors (16837325856).

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

7668359712 is a wasteful number, since it uses less digits than its factorization.

7668359712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89103 (or 89092 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 7668359712 is about 87569.1710135479. The cubic root of 7668359712 is about 1971.9723700677.

The spelling of 7668359712 in words is "seven billion, six hundred sixty-eight million, three hundred fifty-nine thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 23 24 26 32 36 39 46 48 52 69 72 78 92 96 104 117 138 144 156 184 207 208 234 276 288 299 312 368 414 416 468 552 598 624 736 828 897 936 1104 1196 1248 1656 1794 1872 2208 2392 2691 3312 3588 3744 4784 5382 6624 7176 9568 10764 14352 21528 28704 43056 86112 89051 178102 267153 356204 534306 712408 801459 1068612 1157663 1424816 1602918 2048173 2137224 2315326 2849632 3205836 3472989 4096346 4274448 4630652 6144519 6411672 6945978 8192692 8548896 9261304 10418967 12289038 12823344 13891956 16385384 18433557 18522608 20837934 24578076 25646688 26626249 27783912 32770768 36867114 37045216 41675868 49156152 53252498 55567824 65541536 73734228 79878747 83351736 98312304 106504996 111135648 147468456 159757494 166703472 196624608 213009992 239636241 294936912 319514988 333406944 426019984 479272482 589873824 639029976 852039968 958544964 1278059952 1917089928 2556119904 3834179856 7668359712