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28092385050625 = 54723129772
BaseRepresentation
bin1100110001100110001001…
…01000011100000000000001
310200110121100121121202000201
412120303010220130000001
512140231201033110000
6135425244042245201
75626415330016100
oct630630450340001
9120417317552021
1028092385050625
118a50a05aa3185
1231985aaab6801
13128a13cb8050c
146d1970486037
1533ab3274996a
hex198cc4a1c001

28092385050625 has 135 divisors (see below), whose sum is σ = 42238550983167. Its totient is φ = 18622870560000.

The previous prime is 28092385050619. The next prime is 28092385050637. The reversal of 28092385050625 is 52605058329082.

The square root of 28092385050625 is 5300225.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 7436741707521 + 20655643343104 = 2727039^2 + 4544848^2 .

It is not a de Polignac number, because 28092385050625 - 215 = 28092385017857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 28753720137 + ... + 28753721113.

Almost surely, 228092385050625 is an apocalyptic number.

28092385050625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28092385050625 is the 5300225-th square number.

28092385050625 is the 2650113-rd centered octagonal number.

It is an amenable number.

28092385050625 is a deficient number, since it is larger than the sum of its proper divisors (14146165932542).

28092385050625 is an frugal number, since it uses more digits than its factorization.

28092385050625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 28092385050625 in words is "twenty-eight trillion, ninety-two billion, three hundred eighty-five million, fifty thousand, six hundred twenty-five".

Divisors: 1 5 7 25 31 35 49 125 155 175 217 245 625 775 875 961 977 1085 1225 1519 3875 4375 4805 4885 5425 6125 6727 6839 7595 19375 24025 24425 27125 30287 30625 33635 34195 37975 47089 47873 120125 122125 135625 151435 168175 170975 189875 212009 235445 239365 600625 610625 757175 840875 854875 938897 949375 954529 1060045 1177225 1196825 1484063 3785875 4204375 4274375 4694485 4772645 5300225 5886125 5984125 6572279 6681703 7420315 18929375 23472425 23863225 26501125 29430625 29590399 29920625 32861395 33408515 37101575 46005953 46771921 117362125 119316125 132505625 147951995 164306975 167042575 185507875 207132793 230029765 233859605 586810625 596580625 739759975 821534875 835212875 917302369 927539375 1035663965 1150148825 1169298025 1449929551 3698799875 4107674375 4176064375 4586511845 5178319825 5750744125 5846490125 6421116583 7249647755 18493999375 22932559225 25891599125 28753720625 29232450625 32105582915 36248238775 44947816081 114662796125 129457995625 160527914575 181241193875 224739080405 573313980625 802639572875 906205969375 1123695402025 4013197864375 5618477010125 28092385050625