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27945858476 = 2217795202133
BaseRepresentation
bin11010000001101100…
…111111010110101100
32200010121001200221102
4122001230333112230
5424213114432401
620501012422232
72006344610024
oct320154772654
980117050842
1027945858476
1110940788108
1254bb017978
132834942543
1414d16d8a84
15ad861e56b
hex681b3f5ac

27945858476 has 24 divisors (see below), whose sum is σ = 52437510720. Its totient is φ = 12984521472.

The previous prime is 27945858469. The next prime is 27945858547. The reversal of 27945858476 is 67485854972.

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 7 ways as a sum of consecutive naturals, for example, 2595695 + ... + 2606438.

It is an arithmetic number, because the mean of its divisors is an integer number (2184896280).

Almost surely, 227945858476 is an apocalyptic number.

It is an amenable number.

27945858476 is a deficient number, since it is larger than the sum of its proper divisors (24491652244).

27945858476 is a wasteful number, since it uses less digits than its factorization.

27945858476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202233 (or 5202231 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 65.

The spelling of 27945858476 in words is "twenty-seven billion, nine hundred forty-five million, eight hundred fifty-eight thousand, four hundred seventy-six".

Divisors: 1 2 4 17 34 68 79 158 316 1343 2686 5372 5202133 10404266 20808532 88436261 176872522 353745044 410968507 821937014 1643874028 6986464619 13972929238 27945858476