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305344431413 = 7179592428901
BaseRepresentation
bin1000111000101111111…
…00100100010100110101
31002012010222102021101022
410130113330210110311
520000321133301123
6352135010510525
731026501562130
oct4342774442465
91065128367338
10305344431413
1110854aa7576a
124b217295445
1322a42143b68
1410ac8c61217
157e2199e1c8
hex4717f24535

305344431413 has 8 divisors (see below), whose sum is σ = 348984639360. Its totient is φ = 261709117200.

The previous prime is 305344431361. The next prime is 305344431419. The reversal of 305344431413 is 314134443503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 305344431413 - 28 = 305344431157 is a prime.

It is a super-2 number, since 2×3053444314132 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305344431419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088738 + ... + 1340163.

It is an arithmetic number, because the mean of its divisors is an integer number (43623079920).

Almost surely, 2305344431413 is an apocalyptic number.

It is an amenable number.

305344431413 is a deficient number, since it is larger than the sum of its proper divisors (43640207947).

305344431413 is a wasteful number, since it uses less digits than its factorization.

305344431413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446867.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 305344431413 its reverse (314134443503), we get a palindrome (619478874916).

The spelling of 305344431413 in words is "three hundred five billion, three hundred forty-four million, four hundred thirty-one thousand, four hundred thirteen".

Divisors: 1 7 17959 125713 2428901 17002307 43620633059 305344431413