Search a number
-
+
27034415680 = 26584482549
BaseRepresentation
bin11001001011011000…
…000111001001000000
32120210002000121110211
4121023120013021000
5420331302300210
620230333203504
71644636512266
oct311330071100
976702017424
1027034415680
111051324a6a8
1252a5930594
13271ab7068c
141446640436
15a835d238a
hex64b607240

27034415680 has 28 divisors (see below), whose sum is σ = 64375703100. Its totient is φ = 10813766144.

The previous prime is 27034415669. The next prime is 27034415687. The reversal of 27034415680 is 8651443072.

It can be written as a sum of positive squares in 2 ways, for example, as 4632708096 + 22401707584 = 68064^2 + 149672^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (27034415687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42240955 + ... + 42241594.

Almost surely, 227034415680 is an apocalyptic number.

27034415680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27034415680 is an abundant number, since it is smaller than the sum of its proper divisors (37341287420).

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

27034415680 is an equidigital number, since it uses as much as digits as its factorization.

27034415680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84482566 (or 84482556 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 27034415680 in words is "twenty-seven billion, thirty-four million, four hundred fifteen thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 84482549 168965098 337930196 422412745 675860392 844825490 1351720784 1689650980 2703441568 3379301960 5406883136 6758603920 13517207840 27034415680