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27264400460 = 22511294273417
BaseRepresentation
bin11001011001000101…
…011011110001001100
32121101002210001021122
4121121011123301030
5421314141303320
620305230420112
71653431402663
oct313105336114
977332701248
1027264400460
1110621052670
12534a961638
1327566c5a4b
141468dc9dda
15a988b0d25
hex65915bc4c

27264400460 has 48 divisors (see below), whose sum is σ = 64614080160. Its totient is φ = 9572451840.

The previous prime is 27264400441. The next prime is 27264400483. The reversal of 27264400460 is 6400446272.

It is a self number, because there is not a number n which added to its sum of digits gives 27264400460.

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 15 ways as a sum of consecutive naturals, for example, 2130329 + ... + 2143088.

It is an arithmetic number, because the mean of its divisors is an integer number (1346126670).

Almost surely, 227264400460 is an apocalyptic number.

27264400460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27264400460 is an abundant number, since it is smaller than the sum of its proper divisors (37349679700).

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

27264400460 is a wasteful number, since it uses less digits than its factorization.

27264400460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273466 (or 4273464 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

It can be divided in two parts, 27264 and 400460, that added together give a palindrome (427724).

The spelling of 27264400460 in words is "twenty-seven billion, two hundred sixty-four million, four hundred thousand, four hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 145 220 290 319 580 638 1276 1595 3190 6380 4273417 8546834 17093668 21367085 42734170 47007587 85468340 94015174 123929093 188030348 235037935 247858186 470075870 495716372 619645465 940151740 1239290930 1363220023 2478581860 2726440046 5452880092 6816100115 13632200230 27264400460