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345143413213 = 1667207044639
BaseRepresentation
bin1010000010111000010…
…01101000100111011101
31012222212122020000202021
411001130021220213131
521123323203210323
6422320125100141
733635655415054
oct5013411504735
91188778200667
10345143413213
11123413505865
1256a839b7651
1326715673831
14129c286339b
158ea09ca05d
hex505c2689dd

345143413213 has 4 divisors (see below), whose sum is σ = 345350459520. Its totient is φ = 344936366908.

The previous prime is 345143413193. The next prime is 345143413249. The reversal of 345143413213 is 312314341543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312314341543 = 1068592922677.

It is a cyclic number.

It is not a de Polignac number, because 345143413213 - 233 = 336553478621 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 (345143413273) 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, 103520653 + ... + 103523986.

It is an arithmetic number, because the mean of its divisors is an integer number (86337614880).

Almost surely, 2345143413213 is an apocalyptic number.

It is an amenable number.

345143413213 is a deficient number, since it is larger than the sum of its proper divisors (207046307).

345143413213 is a wasteful number, since it uses less digits than its factorization.

345143413213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207046306.

The product of its digits is 51840, while the sum is 34.

Adding to 345143413213 its reverse (312314341543), we get a palindrome (657457754756).

The spelling of 345143413213 in words is "three hundred forty-five billion, one hundred forty-three million, four hundred thirteen thousand, two hundred thirteen".

Divisors: 1 1667 207044639 345143413213