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12403214353 = 28961428273
BaseRepresentation
bin10111000110100101…
…00000100000010001
31012000101211120110101
423203102200200101
5200400210324403
65410431532401
7616235403535
oct134322404021
935011746411
1012403214353
115295322582
1224a198a101
1312288601ba
148593bbbc5
154c8d6b71d
hex2e34a0811

12403214353 has 4 divisors (see below), whose sum is σ = 12403671588. Its totient is φ = 12402757120.

The previous prime is 12403214323. The next prime is 12403214377. The reversal of 12403214353 is 35341230421.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6610177809 + 5793036544 = 81303^2 + 76112^2 .

It is a cyclic number.

It is not a de Polignac number, because 12403214353 - 25 = 12403214321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12403214323) 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, 185176 + ... + 243097.

It is an arithmetic number, because the mean of its divisors is an integer number (3100917897).

Almost surely, 212403214353 is an apocalyptic number.

It is an amenable number.

12403214353 is a deficient number, since it is larger than the sum of its proper divisors (457235).

12403214353 is an equidigital number, since it uses as much as digits as its factorization.

12403214353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457234.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 12403214353 its reverse (35341230421), we get a palindrome (47744444774).

The spelling of 12403214353 in words is "twelve billion, four hundred three million, two hundred fourteen thousand, three hundred fifty-three".

Divisors: 1 28961 428273 12403214353