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5447986873 = 72113688549
BaseRepresentation
bin1010001001011100…
…11010111010111001
3112001200100102000121
411010232122322321
542124141034443
62300333133241
7252002060440
oct50456327271
915050312017
105447986873
11234627919a
12108062a221
1368a902194
14399797d57
1521d4484ed
hex144b9aeb9

5447986873 has 8 divisors (see below), whose sum is σ = 6255780800. Its totient is φ = 4647570480.

The previous prime is 5447986837. The next prime is 5447986891. The reversal of 5447986873 is 3786897445.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5447986873 - 29 = 5447986361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5447986813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842798 + ... + 1845751.

It is an arithmetic number, because the mean of its divisors is an integer number (781972600).

Almost surely, 25447986873 is an apocalyptic number.

It is an amenable number.

5447986873 is a deficient number, since it is larger than the sum of its proper divisors (807793927).

5447986873 is a wasteful number, since it uses less digits than its factorization.

5447986873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688767.

The product of its digits is 40642560, while the sum is 61.

The square root of 5447986873 is about 73810.4794253499. The cubic root of 5447986873 is about 1759.5921568110.

The spelling of 5447986873 in words is "five billion, four hundred forty-seven million, nine hundred eighty-six thousand, eight hundred seventy-three".

Divisors: 1 7 211 1477 3688549 25819843 778283839 5447986873