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12403302103 = 88114078663
BaseRepresentation
bin10111000110100101…
…10101111011010111
31012000102000000211101
423203102311323113
5200400221131403
65410433450531
7616236220423
oct134322657327
935012000741
1012403302103
1152953824a5
1224a1a10a47
13122889111a
14859401b83
154c8d8771d
hex2e34b5ed7

12403302103 has 4 divisors (see below), whose sum is σ = 12417381648. Its totient is φ = 12389222560.

The previous prime is 12403302101. The next prime is 12403302133. The reversal of 12403302103 is 30120330421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30120330421 = 139939215239.

It is a cyclic number.

It is not a de Polignac number, because 12403302103 - 21 = 12403302101 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 (12403302101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7038451 + ... + 7040212.

It is an arithmetic number, because the mean of its divisors is an integer number (3104345412).

Almost surely, 212403302103 is an apocalyptic number.

12403302103 is a deficient number, since it is larger than the sum of its proper divisors (14079545).

12403302103 is an equidigital number, since it uses as much as digits as its factorization.

12403302103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14079544.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12403302103 its reverse (30120330421), we get a palindrome (42523632524).

The spelling of 12403302103 in words is "twelve billion, four hundred three million, three hundred two thousand, one hundred three".

Divisors: 1 881 14078663 12403302103