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27745946494 = 2721491900147
BaseRepresentation
bin11001110101110010…
…011000101101111110
32122121122220010020221
4121311302120231332
5423310430241434
620425111531554
72001366440200
oct316562305576
978548803227
1027745946494
11108489552a2
125464089bba
1328023b9326
1414b2d3a770
15ac5cd12b4
hex675c98b7e

27745946494 has 24 divisors (see below), whose sum is σ = 48738796200. Its totient is φ = 11811307536.

The previous prime is 27745946491. The next prime is 27745946513. The reversal of 27745946494 is 49464954772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27745946491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 935472 + ... + 964675.

It is an arithmetic number, because the mean of its divisors is an integer number (2030783175).

Almost surely, 227745946494 is an apocalyptic number.

27745946494 is a deficient number, since it is larger than the sum of its proper divisors (20992849706).

27745946494 is a wasteful number, since it uses less digits than its factorization.

27745946494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900312 (or 1900305 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 61.

The spelling of 27745946494 in words is "twenty-seven billion, seven hundred forty-five million, nine hundred forty-six thousand, four hundred ninety-four".

Divisors: 1 2 7 14 49 98 149 298 1043 2086 7301 14602 1900147 3800294 13301029 26602058 93107203 186214406 283121903 566243806 1981853321 3963706642 13872973247 27745946494