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8000973990837 = 3498777456677
BaseRepresentation
bin111010001101101111100…
…1101100110101110110101
31001022212220122010021010000
41310123133031212232311
52022041443320201322
625003332520021513
71454023410542532
oct164333715465665
931285818107100
108000973990837
112605215261a43
12a92786001899
134606476259b9
141d936bb79d89
15dd1cc70a3ac
hex746df366bb5

8000973990837 has 10 divisors (see below), whose sum is σ = 11952072258038. Its totient is φ = 5333982660504.

The previous prime is 8000973990787. The next prime is 8000973990839. The reversal of 8000973990837 is 7380993790008.

It is a happy number.

8000973990837 is a `hidden beast` number, since 80 + 0 + 0 + 97 + 399 + 0 + 83 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6068334633201 + 1932639357636 = 2463399^2 + 1390194^2 .

It is not a de Polignac number, because 8000973990837 - 223 = 8000965602229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8000973990839) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 49388728258 + ... + 49388728419.

Almost surely, 28000973990837 is an apocalyptic number.

It is an amenable number.

8000973990837 is a deficient number, since it is larger than the sum of its proper divisors (3951098267201).

8000973990837 is an equidigital number, since it uses as much as digits as its factorization.

8000973990837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98777456689 (or 98777456680 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 63.

The spelling of 8000973990837 in words is "eight trillion, nine hundred seventy-three million, nine hundred ninety thousand, eight hundred thirty-seven".

Divisors: 1 3 9 27 81 98777456677 296332370031 888997110093 2666991330279 8000973990837