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868703867 = 4753615717
BaseRepresentation
bin110011110001110…
…101111001111011
32020112121201200022
4303301311321323
53234342010432
6222111201055
730345601223
oct6361657173
92215551608
10868703867
114063a7089
12202b1618b
1310ac89775
1483531083
15513e8b12
hex33c75e7b

868703867 has 16 divisors (see below), whose sum is σ = 918905472. Its totient is φ = 820360320.

The previous prime is 868703861. The next prime is 868703879. The reversal of 868703867 is 768307868.

It is a cyclic number.

It is not a de Polignac number, because 868703867 - 212 = 868699771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868703861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149093 + ... + 154809.

It is an arithmetic number, because the mean of its divisors is an integer number (57431592).

Almost surely, 2868703867 is an apocalyptic number.

868703867 is a deficient number, since it is larger than the sum of its proper divisors (50201605).

868703867 is a wasteful number, since it uses less digits than its factorization.

868703867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The square root of 868703867 is about 29473.7827059914. The cubic root of 868703867 is about 954.1659583942.

The spelling of 868703867 in words is "eight hundred sixty-eight million, seven hundred three thousand, eight hundred sixty-seven".

Divisors: 1 47 53 61 2491 2867 3233 5717 151951 268699 303001 348737 14241047 16390639 18483061 868703867