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8868061907 = 231393327673
BaseRepresentation
bin10000100001001001…
…11110001011010011
3211220000211012222022
420100210332023103
5121130210440112
64023545202055
7432521165615
oct102044761323
924800735868
108868061907
113840876191
121875a9032b
13ab4336613
14601aacdb5
1536d818d72
hex21093e2d3

8868061907 has 8 divisors (see below), whose sum is σ = 9254628384. Its totient is φ = 8481578688.

The previous prime is 8868061897. The next prime is 8868061921. The reversal of 8868061907 is 7091608688.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8868061907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8868091907) 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, 306623 + ... + 334295.

It is an arithmetic number, because the mean of its divisors is an integer number (1156828548).

Almost surely, 28868061907 is an apocalyptic number.

8868061907 is a deficient number, since it is larger than the sum of its proper divisors (386566477).

8868061907 is a wasteful number, since it uses less digits than its factorization.

8868061907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41629.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 8868061907 is about 94170.3876332682. The cubic root of 8868061907 is about 2069.8692152117.

The spelling of 8868061907 in words is "eight billion, eight hundred sixty-eight million, sixty-one thousand, nine hundred seven".

Divisors: 1 23 13933 27673 320459 636479 385567909 8868061907