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2866096820 = 225119712
BaseRepresentation
bin1010101011010101…
…0010101010110100
321101202001210201002
42222311102222310
521332210044240
61152222222432
7131011264256
oct25265225264
97352053632
102866096820
111240922a64
1267ba24a18
13368a302a2
141d290bcd6
1511b943d15
hexaad52ab4

2866096820 has 18 divisors (see below), whose sum is σ = 6019306146. Its totient is φ = 1146342960.

The previous prime is 2866096817. The next prime is 2866096829. The reversal of 2866096820 is 286906682.

2866096820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2292877456 + 573219364 = 47884^2 + 23942^2 .

It is a super-2 number, since 2×28660968202 = 16429021963228224800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866096829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233435 + ... + 245405.

It is an arithmetic number, because the mean of its divisors is an integer number (334405897).

Almost surely, 22866096820 is an apocalyptic number.

2866096820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2866096820 is an abundant number, since it is smaller than the sum of its proper divisors (3153209326).

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

2866096820 is an frugal number, since it uses more digits than its factorization.

2866096820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23951 (or 11978 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 2866096820 is about 53535.9395173000. The cubic root of 2866096820 is about 1420.4641774181.

The spelling of 2866096820 in words is "two billion, eight hundred sixty-six million, ninety-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 11971 23942 47884 59855 119710 239420 143304841 286609682 573219364 716524205 1433048410 2866096820