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2868081012 = 223279799961
BaseRepresentation
bin1010101011110011…
…0111000101110100
321101212210121111200
42222330313011310
521333212043022
61152332532500
7131034200136
oct25274670564
97355717450
102868081012
111241a58795
12680621130
13369276474
141d2ca7056
1511bbd6bac
hexaaf37174

2868081012 has 36 divisors (see below), whose sum is σ = 7259040516. Its totient is φ = 954817920.

The previous prime is 2868081001. The next prime is 2868081043. The reversal of 2868081012 is 2101808682.

It can be written as a sum of positive squares in 2 ways, for example, as 1063020816 + 1805060196 = 32604^2 + 42486^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21289 + ... + 78672.

Almost surely, 22868081012 is an apocalyptic number.

It is an amenable number.

2868081012 is an abundant number, since it is smaller than the sum of its proper divisors (4390959504).

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

2868081012 is a wasteful number, since it uses less digits than its factorization.

2868081012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100768 (or 100763 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 2868081012 is about 53554.4677127875. The cubic root of 2868081012 is about 1420.7918964586.

Adding to 2868081012 its reverse (2101808682), we get a palindrome (4969889694).

The spelling of 2868081012 in words is "two billion, eight hundred sixty-eight million, eighty-one thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 797 1594 2391 3188 4782 7173 9564 14346 28692 99961 199922 299883 399844 599766 899649 1199532 1799298 3598596 79668917 159337834 239006751 318675668 478013502 717020253 956027004 1434040506 2868081012