Search a number
-
+
2868568531 = 47565710789
BaseRepresentation
bin1010101011111010…
…1110000111010011
321101220201101020221
42222332232013103
521333323143111
61152351213511
7131041300363
oct25276560723
97356641227
102868568531
111242260aa4
12680817297
133693b733a
141d2d929a3
1511bc81371
hexaafae1d3

2868568531 has 8 divisors (see below), whose sum is σ = 2930391360. Its totient is φ = 2806778688.

The previous prime is 2868568513. The next prime is 2868568543. The reversal of 2868568531 is 1358658682.

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 2868568531 - 25 = 2868568499 is a prime.

It is a super-2 number, since 2×28685685312 = 16457370834086995922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2868568331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260485 + ... + 271273.

It is an arithmetic number, because the mean of its divisors is an integer number (366298920).

Almost surely, 22868568531 is an apocalyptic number.

2868568531 is a deficient number, since it is larger than the sum of its proper divisors (61822829).

2868568531 is a wasteful number, since it uses less digits than its factorization.

2868568531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16493.

The product of its digits is 2764800, while the sum is 52.

The square root of 2868568531 is about 53559.0191377699. The cubic root of 2868568531 is about 1420.8723943942.

The spelling of 2868568531 in words is "two billion, eight hundred sixty-eight million, five hundred sixty-eight thousand, five hundred thirty-one".

Divisors: 1 47 5657 10789 265879 507083 61033373 2868568531