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12531010 = 255967317
BaseRepresentation
bin101111110011…
…010101000010
3212120122022111
4233303111002
511201443020
61124325534
7211340362
oct57632502
925518274
1012531010
117089808
1242438aa
1327998cb
1419429a2
151177d5a
hexbf3542

12531010 has 32 divisors (see below), whose sum is σ = 23353920. Its totient is φ = 4838592.

The previous prime is 12531007. The next prime is 12531019. The reversal of 12531010 is 1013521.

It is not an unprimeable number, because it can be changed into a prime (12531019) 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 15 ways as a sum of consecutive naturals, for example, 39372 + ... + 39688.

It is an arithmetic number, because the mean of its divisors is an integer number (729810).

Almost surely, 212531010 is an apocalyptic number.

12531010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12531010 is a deficient number, since it is larger than the sum of its proper divisors (10822910).

12531010 is a wasteful number, since it uses less digits than its factorization.

12531010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 12531010 is about 3539.9166656858. The cubic root of 12531010 is about 232.2711974250.

Adding to 12531010 its reverse (1013521), we get a palindrome (13544531).

The spelling of 12531010 in words is "twelve million, five hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 59 67 118 134 295 317 335 590 634 670 1585 3170 3953 7906 18703 19765 21239 37406 39530 42478 93515 106195 187030 212390 1253101 2506202 6265505 12531010