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12820010 = 257373491
BaseRepresentation
bin110000111001…
…111000101010
3220010022202012
4300321320222
511240220020
61134435522
7213653060
oct60717052
926108665
1012820010
117266955
124362ba2
13286b308
1419ba030
1511d37c5
hexc39e2a

12820010 has 32 divisors (see below), whose sum is σ = 26497152. Its totient is φ = 4374720.

The previous prime is 12820009. The next prime is 12820033. The reversal of 12820010 is 1002821.

12820010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25865 + ... + 26355.

It is an arithmetic number, because the mean of its divisors is an integer number (828036).

Almost surely, 212820010 is an apocalyptic number.

12820010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12820010 is an abundant number, since it is smaller than the sum of its proper divisors (13677142).

12820010 is a wasteful number, since it uses less digits than its factorization.

12820010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 12820010 is about 3580.5041544453. The cubic root of 12820010 is about 234.0432505829.

Adding to 12820010 its reverse (1002821), we get a palindrome (13822831).

The spelling of 12820010 in words is "twelve million, eight hundred twenty thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 373 491 746 982 1865 2455 2611 3437 3730 4910 5222 6874 13055 17185 26110 34370 183143 366286 915715 1282001 1831430 2564002 6410005 12820010