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6689623091088 = 243743945352147
BaseRepresentation
bin110000101011000110010…
…0110111010011110010000
3212200112002100001100200110
41201112030212322132100
51334100322002403323
622121100451121320
71260211045033020
oct141261446723620
925615070040613
106689623091088
11214a064922873
129005b12a3240
13396aa09c4342
14191acac9ba80
15b902c030793
hex6158c9ba790

6689623091088 has 80 divisors (see below), whose sum is σ = 19795305559040. Its totient is φ = 1906967035008.

The previous prime is 6689623090993. The next prime is 6689623091141. The reversal of 6689623091088 is 8801903269866.

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, 22528570 + ... + 22823577.

It is an arithmetic number, because the mean of its divisors is an integer number (247441319488).

Almost surely, 26689623091088 is an apocalyptic number.

It is an amenable number.

6689623091088 is an abundant number, since it is smaller than the sum of its proper divisors (13105682467952).

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

6689623091088 is a wasteful number, since it uses less digits than its factorization.

6689623091088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45352604 (or 45352598 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 66.

The spelling of 6689623091088 in words is "six trillion, six hundred eighty-nine billion, six hundred twenty-three million, ninety-one thousand, eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 439 878 1317 1756 2634 3073 3512 5268 6146 7024 9219 10536 12292 18438 21072 24584 36876 49168 73752 147504 45352147 90704294 136056441 181408588 272112882 317465029 362817176 544225764 634930058 725634352 952395087 1088451528 1269860116 1904790174 2176903056 2539720232 3809580348 5079440464 7619160696 15238321392 19909592533 39819185066 59728777599 79638370132 119457555198 139367147731 159276740264 238915110396 278734295462 318553480528 418101443193 477830220792 557468590924 836202886386 955660441584 1114937181848 1672405772772 2229874363696 3344811545544 6689623091088