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276285290881 = 19110913112111
BaseRepresentation
bin1000000010100111110…
…00101111100110000001
3222102010210111222120011
410001103320233212001
514011313013302011
6330531304344521
725650415136605
oct4012370574601
9872123458504
10276285290881
11a7198931346
1245667475141
1320090980252
14d52d76b505
1572c0773621
hex4053e2f981

276285290881 has 8 divisors (see below), whose sum is σ = 291088886400. Its totient is φ = 261507921840.

The previous prime is 276285290807. The next prime is 276285290887. The reversal of 276285290881 is 188092582672.

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

It is a cyclic number.

It is not a de Polignac number, because 276285290881 - 27 = 276285290753 is a prime.

It is a super-3 number, since 3×2762852908813 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276285290887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6534985 + ... + 6577126.

It is an arithmetic number, because the mean of its divisors is an integer number (36386110800).

Almost surely, 2276285290881 is an apocalyptic number.

It is an amenable number.

276285290881 is a deficient number, since it is larger than the sum of its proper divisors (14803595519).

276285290881 is a wasteful number, since it uses less digits than its factorization.

276285290881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13113239.

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 276285290881 in words is "two hundred seventy-six billion, two hundred eighty-five million, two hundred ninety thousand, eight hundred eighty-one".

Divisors: 1 19 1109 21071 13112111 249130109 14541331099 276285290881