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52897684322 = 27433192
BaseRepresentation
bin110001010000111100…
…101001101101100010
312001112112022210020102
4301100330221231202
51331313301344242
640144552542402
73551565620000
oct612074515542
9161475283212
1052897684322
112048540018a
12a3033b1a02
134cb01ac732
1427bb501a70
151598e77e32
hexc50f29b62

52897684322 has 30 divisors (see below), whose sum is σ = 92593337643. Its totient is φ = 22663605636.

The previous prime is 52897684321. The next prime is 52897684363. The reversal of 52897684322 is 22348679825.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26448842161 + 26448842161 = 162631^2 + 162631^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=162631.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52897684321) 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 14 ways as a sum of consecutive naturals, for example, 15936179 + ... + 15939497.

Almost surely, 252897684322 is an apocalyptic number.

52897684322 is a deficient number, since it is larger than the sum of its proper divisors (39695653321).

52897684322 is an frugal number, since it uses more digits than its factorization.

52897684322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668 (or 3328 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 56.

The spelling of 52897684322 in words is "fifty-two billion, eight hundred ninety-seven million, six hundred eighty-four thousand, three hundred twenty-two".

Divisors: 1 2 7 14 49 98 343 686 2401 3319 4802 6638 23233 46466 162631 325262 1138417 2276834 7968919 11015761 15937838 22031522 77110327 154220654 539772289 1079544578 3778406023 7556812046 26448842161 52897684322