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27133461420 = 22351334786489
BaseRepresentation
bin11001010001010001…
…111100001110101100
32121000222101122200120
4121101101330032230
5421032131231140
620244232124540
71650251421342
oct312121741654
977028348616
1027133461420
111056414a18a
125312b36750
13273553ba20
141455863992
15a8c1491d0
hex65147c3ac

27133461420 has 48 divisors (see below), whose sum is σ = 81817824480. Its totient is φ = 6679005696.

The previous prime is 27133461401. The next prime is 27133461427. The reversal of 27133461420 is 2416433172.

It is not an unprimeable number, because it can be changed into a prime (27133461427) by changing a digit.

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, 17392465 + ... + 17394024.

It is an arithmetic number, because the mean of its divisors is an integer number (1704538010).

Almost surely, 227133461420 is an apocalyptic number.

27133461420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27133461420 is an abundant number, since it is smaller than the sum of its proper divisors (54684363060).

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

27133461420 is a wasteful number, since it uses less digits than its factorization.

27133461420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34786514 (or 34786512 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 27133461420 its reverse (2416433172), we get a palindrome (29549894592).

The spelling of 27133461420 in words is "twenty-seven billion, one hundred thirty-three million, four hundred sixty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 34786489 69572978 104359467 139145956 173932445 208718934 347864890 417437868 452224357 521797335 695729780 904448714 1043594670 1356673071 1808897428 2087189340 2261121785 2713346142 4522243570 5426692284 6783365355 9044487140 13566730710 27133461420