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7727423668412 = 22717179647314011
BaseRepresentation
bin111000001110010111001…
…0101111100000010111100
31000100201211102221001221212
41300130232111330002330
52003101230424342122
624233532431143552
71425200522266610
oct160345625740274
930321742831855
107727423668412
11250a200230a08
12a49762674bb8
134409014837a6
141ca01b745340
15d601c127ce2
hex7072e57c0bc

7727423668412 has 96 divisors (see below), whose sum is σ = 16459091550720. Its totient is φ = 3098830878720.

The previous prime is 7727423668399. The next prime is 7727423668417. The reversal of 7727423668412 is 2148663247277.

It is a super-2 number, since 2×77274236684122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7727423668417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 551518487 + ... + 551532497.

It is an arithmetic number, because the mean of its divisors is an integer number (171448870320).

Almost surely, 27727423668412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7727423668412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8229545775360).

7727423668412 is an abundant number, since it is smaller than the sum of its proper divisors (8731667882308).

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

7727423668412 is a wasteful number, since it uses less digits than its factorization.

7727423668412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20691 (or 20689 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 59.

The spelling of 7727423668412 in words is "seven trillion, seven hundred twenty-seven billion, four hundred twenty-three million, six hundred sixty-eight thousand, four hundred twelve".

Divisors: 1 2 4 7 14 17 28 34 68 119 179 238 358 476 716 1253 2506 3043 5012 6086 6473 12172 12946 14011 21301 25892 28022 42602 45311 56044 85204 90622 98077 110041 181244 196154 220082 238187 392308 440164 476374 770287 952748 1158667 1540574 1667309 2317334 2507969 3081148 3334618 4634668 5015938 6669236 8110669 10031876 16221338 17555783 19697339 32442676 35111566 39394678 42635473 70223132 78789356 85270946 90693203 137881373 170541892 181386406 275762746 298448311 362772812 551525492 596896622 634852421 1193793244 1269704842 1541784451 2539409684 3083568902 6167137804 10792491157 16234083337 21584982314 32468166674 43169964628 64936333348 113638583359 227277166718 275979416729 454554333436 551958833458 1103917666916 1931855917103 3863711834206 7727423668412