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27285004152 = 23327510110613
BaseRepresentation
bin11001011010010100…
…000001111101111000
32121102112112211020100
4121122110001331320
5421334430113102
620311244155400
71654101465030
oct313224017570
977375484210
1027285004152
111063174550a
125355838b60
13275aa5ab93
14146ba308c0
15a9a5d0a1c
hex65a501f78

27285004152 has 96 divisors (see below), whose sum is σ = 84478099680. Its totient is φ = 7793452800.

The previous prime is 27285004129. The next prime is 27285004163. The reversal of 27285004152 is 25140058272.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2565598 + ... + 2576210.

It is an arithmetic number, because the mean of its divisors is an integer number (879980205).

Almost surely, 227285004152 is an apocalyptic number.

It is an amenable number.

27285004152 is an abundant number, since it is smaller than the sum of its proper divisors (57193095528).

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

27285004152 is a wasteful number, since it uses less digits than its factorization.

27285004152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15733 (or 15726 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 27285004152 in words is "twenty-seven billion, two hundred eighty-five million, four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 5101 10202 10613 15303 20404 21226 30606 31839 35707 40808 42452 45909 61212 63678 71414 74291 84904 91818 95517 107121 122424 127356 142828 148582 183636 191034 214242 222873 254712 285656 297164 321363 367272 382068 428484 445746 594328 642726 668619 764136 856968 891492 1285452 1337238 1782984 2570904 2674476 5348952 54136913 108273826 162410739 216547652 324821478 378958391 433095304 487232217 649642956 757916782 974464434 1136875173 1299285912 1515833564 1948928868 2273750346 3031667128 3410625519 3897857736 4547500692 6821251038 9095001384 13642502076 27285004152