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12345712703 = 13988818077
BaseRepresentation
bin10110111111101110…
…01010000000111111
31011212101122012000122
423133313022000333
5200241000301303
65401015245155
7614636553332
oct133767120077
934771565018
1012345712703
115265918755
1224866797bb
13121997945c
148518d0619
154c3cade38
hex2dfdca03f

12345712703 has 4 divisors (see below), whose sum is σ = 12434530920. Its totient is φ = 12256894488.

The previous prime is 12345712693. The next prime is 12345712759. The reversal of 12345712703 is 30721754321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30721754321 = 41749311081.

It is a cyclic number.

It is not a de Polignac number, because 12345712703 - 212 = 12345708607 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 (12345712763) 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, 44408900 + ... + 44409177.

It is an arithmetic number, because the mean of its divisors is an integer number (3108632730).

Almost surely, 212345712703 is an apocalyptic number.

12345712703 is a deficient number, since it is larger than the sum of its proper divisors (88818217).

12345712703 is an equidigital number, since it uses as much as digits as its factorization.

12345712703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88818216.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 12345712703 in words is "twelve billion, three hundred forty-five million, seven hundred twelve thousand, seven hundred three".

Divisors: 1 139 88818077 12345712703