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27304194560 = 295101105601
BaseRepresentation
bin11001011011011101…
…001111001000000000
32121110212122210112012
4121123131033020000
5421404333211220
620313211352052
71654423552526
oct313335171000
977425583465
1027304194560
1110641562555
125360152628
132761a19956
1414703c8316
15a9c121ac5
hex65b74f200

27304194560 has 80 divisors (see below), whose sum is σ = 66114877752. Its totient is φ = 10813440000.

The previous prime is 27304194559. The next prime is 27304194563. The reversal of 27304194560 is 6549140372.

It can be written as a sum of positive squares in 4 ways, for example, as 26733558016 + 570636544 = 163504^2 + 23888^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (27304194563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205760 + ... + 311360.

Almost surely, 227304194560 is an apocalyptic number.

27304194560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27304194560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33057438876).

27304194560 is an abundant number, since it is smaller than the sum of its proper divisors (38810683192).

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

27304194560 is a wasteful number, since it uses less digits than its factorization.

27304194560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105725 (or 105709 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 27304194560 in words is "twenty-seven billion, three hundred four million, one hundred ninety-four thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 101 128 160 202 256 320 404 505 512 640 808 1010 1280 1616 2020 2560 3232 4040 6464 8080 12928 16160 25856 32320 51712 64640 105601 129280 211202 258560 422404 528005 844808 1056010 1689616 2112020 3379232 4224040 6758464 8448080 10665701 13516928 16896160 21331402 27033856 33792320 42662804 53328505 54067712 67584640 85325608 106657010 135169280 170651216 213314020 270338560 341302432 426628040 682604864 853256080 1365209728 1706512160 2730419456 3413024320 5460838912 6826048640 13652097280 27304194560