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12103220003 = 73734635473
BaseRepresentation
bin10110100010110100…
…00111101100100011
31011020111100021120112
423101122013230203
5144241411020003
65320554001535
7605633446460
oct132132075443
934214307515
1012103220003
115150a52366
1224194162ab
1311ab664b54
1482b60a667
154ac85e3d8
hex2d1687b23

12103220003 has 8 divisors (see below), whose sum is σ = 13869338208. Its totient is φ = 10346373504.

The previous prime is 12103219991. The next prime is 12103220029. The reversal of 12103220003 is 30002230121.

It is a happy number.

12103220003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12103220003 - 24 = 12103219987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12103220003.

It is not an unprimeable number, because it can be changed into a prime (12103220033) 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 7 ways as a sum of consecutive naturals, for example, 2315126 + ... + 2320347.

It is an arithmetic number, because the mean of its divisors is an integer number (1733667276).

Almost surely, 212103220003 is an apocalyptic number.

12103220003 is a deficient number, since it is larger than the sum of its proper divisors (1766118205).

12103220003 is an equidigital number, since it uses as much as digits as its factorization.

12103220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635853.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12103220003 its reverse (30002230121), we get a palindrome (42105450124).

The spelling of 12103220003 in words is "twelve billion, one hundred three million, two hundred twenty thousand, three".

Divisors: 1 7 373 2611 4635473 32448311 1729031429 12103220003