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12440403010 = 257383464021
BaseRepresentation
bin10111001011000000…
…10111110001000010
31012002222210221201001
423211200113301002
5200434220344020
65414241002214
7620166452350
oct134540276102
935088727631
1012440403010
115304312a02
1224b232336a
131233481219
148602dc7d0
154cc26550a
hex2e5817c42

12440403010 has 32 divisors (see below), whose sum is σ = 25658560512. Its totient is φ = 4254135360.

The previous prime is 12440402999. The next prime is 12440403011. The reversal of 12440403010 is 1030404421.

It is not an unprimeable number, because it can be changed into a prime (12440403011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205201 + ... + 258820.

It is an arithmetic number, because the mean of its divisors is an integer number (801830016).

Almost surely, 212440403010 is an apocalyptic number.

12440403010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12440403010 is an abundant number, since it is smaller than the sum of its proper divisors (13218157502).

12440403010 is a wasteful number, since it uses less digits than its factorization.

12440403010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464418.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12440403010 its reverse (1030404421), we get a palindrome (13470807431).

The spelling of 12440403010 in words is "twelve billion, four hundred forty million, four hundred three thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 383 766 1915 2681 3830 5362 13405 26810 464021 928042 2320105 3248147 4640210 6496294 16240735 32481470 177720043 355440086 888600215 1244040301 1777200430 2488080602 6220201505 12440403010