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2865115968 = 2631113241433
BaseRepresentation
bin1010101011000110…
…0011001101000000
321101200012222020020
42222301203031000
521331432202333
61152145213440
7131000040531
oct25261431500
97350188206
102865115968
111240313040
1267b631280
133687789c0
141d2734688
1511b7ed3b3
hexaac63340

2865115968 has 224 divisors, whose sum is σ = 8963509632. Its totient is φ = 796262400.

The previous prime is 2865115931. The next prime is 2865115969. The reversal of 2865115968 is 8695115682.

It is a self number, because there is not a number n which added to its sum of digits gives 2865115968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865115969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6616680 + ... + 6617112.

It is an arithmetic number, because the mean of its divisors is an integer number (40015668).

Almost surely, 22865115968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2865115968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481754816).

2865115968 is an abundant number, since it is smaller than the sum of its proper divisors (6098393664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2865115968 is a wasteful number, since it uses less digits than its factorization.

2865115968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 703 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 51.

The square root of 2865115968 is about 53526.7780461331. The cubic root of 2865115968 is about 1420.3021191458.

The spelling of 2865115968 in words is "two billion, eight hundred sixty-five million, one hundred fifteen thousand, nine hundred sixty-eight".