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12124312403 = 723722213011
BaseRepresentation
bin10110100101010101…
…00101001101010011
31011021222000212220112
423102222211031103
5144312310444103
65323030031535
7606310645400
oct132252451523
934258025815
1012124312403
1151619493a5
1224244a85ab
1311b2b3b568
1483033b2a7
154ae628cd8
hex2d2aa5353

12124312403 has 24 divisors (see below), whose sum is σ = 14496310224. Its totient is φ = 10103486400.

The previous prime is 12124312363. The next prime is 12124312423. The reversal of 12124312403 is 30421342121.

12124312403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12124312403 - 28 = 12124312147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12124312423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4025168 + ... + 4028178.

It is an arithmetic number, because the mean of its divisors is an integer number (604012926).

Almost surely, 212124312403 is an apocalyptic number.

12124312403 is a deficient number, since it is larger than the sum of its proper divisors (2371997821).

12124312403 is a wasteful number, since it uses less digits than its factorization.

12124312403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283 (or 5276 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12124312403 its reverse (30421342121), we get a palindrome (42545654524).

The spelling of 12124312403 in words is "twelve billion, one hundred twenty-four million, three hundred twelve thousand, four hundred three".

Divisors: 1 7 37 49 259 1813 2221 3011 15547 21077 82177 108829 111407 147539 575239 779849 4026673 5458943 6687431 46812017 247434947 327684119 1732044629 12124312403