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12450424123351 = 68902118069731
BaseRepresentation
bin1011010100101101011100…
…0110110110111111010111
31122002020201110112100021101
42311023113012312333113
53112441432033421401
642251351302130531
72423341054622344
oct265132706667727
948066643470241
1012450424123351
113a70216921415
121490b85a20a47
136c40ba9073b6
143108649557cb
15168ce653a101
hexb52d71b6fd7

12450424123351 has 4 divisors (see below), whose sum is σ = 12450442882104. Its totient is φ = 12450405364600.

The previous prime is 12450424123309. The next prime is 12450424123373. The reversal of 12450424123351 is 15332142405421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12450424123351 - 29 = 12450424122839 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 12450424123351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450424123751) 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, 8345845 + ... + 9723886.

It is an arithmetic number, because the mean of its divisors is an integer number (3112610720526).

Almost surely, 212450424123351 is an apocalyptic number.

12450424123351 is a deficient number, since it is larger than the sum of its proper divisors (18758753).

12450424123351 is an equidigital number, since it uses as much as digits as its factorization.

12450424123351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18758752.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 12450424123351 its reverse (15332142405421), we get a palindrome (27782566528772).

The spelling of 12450424123351 in words is "twelve trillion, four hundred fifty billion, four hundred twenty-four million, one hundred twenty-three thousand, three hundred fifty-one".

Divisors: 1 689021 18069731 12450424123351