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12444344003 = 713208365651
BaseRepresentation
bin10111001011011110…
…11001111011000011
31012010021020011201202
423211233121323003
5200441223002003
65414501251415
7620245115210
oct134557317303
935107204652
1012444344003
115306564923
1224b3703b6b
131234230c80
14860a46b07
154cc793088
hex2e5bd9ec3

12444344003 has 16 divisors (see below), whose sum is σ = 15323702016. Its totient is φ = 9841197600.

The previous prime is 12444343997. The next prime is 12444344039. The reversal of 12444344003 is 30044344421.

It is a happy number.

It is not a de Polignac number, because 12444344003 - 210 = 12444342979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12444344053) 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, 156728 + ... + 222378.

It is an arithmetic number, because the mean of its divisors is an integer number (957731376).

Almost surely, 212444344003 is an apocalyptic number.

12444344003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12444344003 is a deficient number, since it is larger than the sum of its proper divisors (2879358013).

12444344003 is a wasteful number, since it uses less digits than its factorization.

12444344003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67754.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 12444344003 its reverse (30044344421), we get a palindrome (42488688424).

The spelling of 12444344003 in words is "twelve billion, four hundred forty-four million, three hundred forty-four thousand, three".

Divisors: 1 7 13 91 2083 14581 27079 65651 189553 459557 853463 5974241 136751033 957257231 1777763429 12444344003