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68786176506030 = 236522342312509
BaseRepresentation
bin11111010001111100001111…
…00111011011100010101110
3100000112220010220120102000000
433220332013213123202232
533003443042141143110
6402143533325245130
720326431402125214
oct1750760747334256
9300486126512000
1068786176506030
111aa10065427455
12786b27b4037a6
132c4c67c55c889
1412db3a948ccb4
157e44464401c0
hex3e8f879db8ae

68786176506030 has 112 divisors (see below), whose sum is σ = 186470216069760. Its totient is φ = 18260724452544.

The previous prime is 68786176506023. The next prime is 68786176506037. The reversal of 68786176506030 is 3060567168786.

68786176506030 is a `hidden beast` number, since 6 + 8 + 7 + 8 + 6 + 17 + 6 + 5 + 0 + 603 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (68786176506023) and next prime (68786176506037).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68786176506037) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 19530585 + ... + 22781924.

It is an arithmetic number, because the mean of its divisors is an integer number (1664912643480).

Almost surely, 268786176506030 is an apocalyptic number.

68786176506030 is an abundant number, since it is smaller than the sum of its proper divisors (117684039563730).

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

68786176506030 is a wasteful number, since it uses less digits than its factorization.

68786176506030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42312757 (or 42312742 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 68786176506030 in words is "sixty-eight trillion, seven hundred eighty-six billion, one hundred seventy-six million, five hundred six thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 223 243 270 405 446 486 669 729 810 1115 1215 1338 1458 2007 2230 2430 3345 3645 4014 6021 6690 7290 10035 12042 18063 20070 30105 36126 54189 60210 90315 108378 162567 180630 270945 325134 541890 812835 1625670 42312509 84625018 126937527 211562545 253875054 380812581 423125090 634687635 761625162 1142437743 1269375270 1904062905 2284875486 3427313229 3808125810 5712188715 6854626458 9435689507 10281939687 11424377430 17136566145 18871379014 20563879374 28307068521 30845819061 34273132290 47178447535 51409698435 56614137042 61691638122 84921205563 94356895070 102819396870 141535342605 154229095305 169842411126 254763616689 283070685210 308458190610 424606027815 509527233378 764290850067 849212055630 1273818083445 1528581700134 2292872550201 2547636166890 3821454250335 4585745100402 6878617650603 7642908500670 11464362751005 13757235301206 22928725502010 34393088253015 68786176506030