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27538489252 = 2219136045143
BaseRepresentation
bin11001101001011010…
…111111111110100100
32122002012112012102101
4121221122333332210
5422344323124002
620352341221444
71663300203451
oct315132777644
978065465371
1027538489252
111075183962a
125406701884
13279b420971
141493576828
15ab29a2587
hex6696bffa4

27538489252 has 12 divisors (see below), whose sum is σ = 48444673536. Its totient is φ = 13697153960.

The previous prime is 27538489243. The next prime is 27538489259. The reversal of 27538489252 is 25298483572.

It is a junction number, because it is equal to n+sod(n) for n = 27538489193 and 27538489202.

It is not an unprimeable number, because it can be changed into a prime (27538489259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18021808 + ... + 18023335.

It is an arithmetic number, because the mean of its divisors is an integer number (4037056128).

Almost surely, 227538489252 is an apocalyptic number.

It is an amenable number.

27538489252 is a deficient number, since it is larger than the sum of its proper divisors (20906184284).

27538489252 is a wasteful number, since it uses less digits than its factorization.

27538489252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36045338 (or 36045336 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 55.

The spelling of 27538489252 in words is "twenty-seven billion, five hundred thirty-eight million, four hundred eighty-nine thousand, two hundred fifty-two".

Divisors: 1 2 4 191 382 764 36045143 72090286 144180572 6884622313 13769244626 27538489252