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27543132344 = 2371383455831
BaseRepresentation
bin11001101001101100…
…101101100010111000
32122002112021002112202
4121221230231202320
5422402020213334
620353024525332
71663354522250
oct315154554270
978075232482
1027543132344
111075441aaa2
125408180848
13279c388160
141494024960
15ab30bd17e
hex669b2d8b8

27543132344 has 64 divisors (see below), whose sum is σ = 64327011840. Its totient is φ = 10764881280.

The previous prime is 27543132341. The next prime is 27543132349. The reversal of 27543132344 is 44323134572.

It is a junction number, because it is equal to n+sod(n) for n = 27543132298 and 27543132307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27543132341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167492 + ... + 288339.

It is an arithmetic number, because the mean of its divisors is an integer number (1005109560).

Almost surely, 227543132344 is an apocalyptic number.

It is an amenable number.

27543132344 is an abundant number, since it is smaller than the sum of its proper divisors (36783879496).

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

27543132344 is a wasteful number, since it uses less digits than its factorization.

27543132344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455940 (or 455936 counting only the distinct ones).

The product of its digits is 241920, while the sum is 38.

The spelling of 27543132344 in words is "twenty-seven billion, five hundred forty-three million, one hundred thirty-two thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 83 91 104 166 182 332 364 581 664 728 1079 1162 2158 2324 4316 4648 7553 8632 15106 30212 60424 455831 911662 1823324 3190817 3646648 5925803 6381634 11851606 12763268 23703212 25526536 37833973 41480621 47406424 75667946 82961242 151335892 165922484 264837811 302671784 331844968 491841649 529675622 983683298 1059351244 1967366596 2118702488 3442891543 3934733192 6885783086 13771566172 27543132344