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27144950648 = 2320891624279
BaseRepresentation
bin11001010001111101…
…110001001101111000
32121001210000100221112
4121101331301031320
5421043101410043
620245322255452
71650451162544
oct312175611570
977053010845
1027144950648
111056a687212
125316957588
132737a3239a
1414571b4a24
15a8d168518
hex651f71378

27144950648 has 16 divisors (see below), whose sum is σ = 50921178000. Its totient is φ = 13565969856.

The previous prime is 27144950633. The next prime is 27144950653. The reversal of 27144950648 is 84605944172.

It is a junction number, because it is equal to n+sod(n) for n = 27144950596 and 27144950605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795428 + ... + 828851.

It is an arithmetic number, because the mean of its divisors is an integer number (3182573625).

Almost surely, 227144950648 is an apocalyptic number.

It is an amenable number.

27144950648 is a deficient number, since it is larger than the sum of its proper divisors (23776227352).

27144950648 is a wasteful number, since it uses less digits than its factorization.

27144950648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626374 (or 1626370 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 27144950648 in words is "twenty-seven billion, one hundred forty-four million, nine hundred fifty thousand, six hundred forty-eight".

Divisors: 1 2 4 8 2089 4178 8356 16712 1624279 3248558 6497116 12994232 3393118831 6786237662 13572475324 27144950648