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12444315103 = 112909388897
BaseRepresentation
bin10111001011011110…
…10010110111011111
31012010021011201002101
423211233102313133
5200441221040403
65414500505531
7620244635023
oct134557226737
935107151071
1012444315103
115306545140
1224b36ab2a7
131234220a7c
14860a3a383
154cc78971d
hex2e5bd2ddf

12444315103 has 8 divisors (see below), whose sum is σ = 13580318160. Its totient is φ = 11309095680.

The previous prime is 12444315097. The next prime is 12444315109. The reversal of 12444315103 is 30151344421.

It is an interprime number because it is at equal distance from previous prime (12444315097) and next prime (12444315109).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12444315103 - 213 = 12444306911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444315109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162450 + ... + 226447.

It is an arithmetic number, because the mean of its divisors is an integer number (1697539770).

Almost surely, 212444315103 is an apocalyptic number.

12444315103 is a deficient number, since it is larger than the sum of its proper divisors (1136003057).

12444315103 is a wasteful number, since it uses less digits than its factorization.

12444315103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391817.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12444315103 its reverse (30151344421), we get a palindrome (42595659524).

The spelling of 12444315103 in words is "twelve billion, four hundred forty-four million, three hundred fifteen thousand, one hundred three".

Divisors: 1 11 2909 31999 388897 4277867 1131301373 12444315103