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6430342331 = 7991926963
BaseRepresentation
bin1011111110100011…
…10011110010111011
3121121010211020101002
411333101303302323
5101132131423311
62542024315215
7315231002510
oct57721636273
917533736332
106430342331
1127aa840406
1212b5612b0b
137b62a20ba
14450031307
152797e193b
hex17f473cbb

6430342331 has 8 divisors (see below), whose sum is σ = 7356386304. Its totient is φ = 5506154280.

The previous prime is 6430342319. The next prime is 6430342337. The reversal of 6430342331 is 1332430346.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6430342331 is a prime.

It is a super-2 number, since 2×64303423312 = 82698604987701027122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6430342294 and 6430342303.

It is not an unprimeable number, because it can be changed into a prime (6430342337) 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, 456545 + ... + 470418.

It is an arithmetic number, because the mean of its divisors is an integer number (919548288).

Almost surely, 26430342331 is an apocalyptic number.

6430342331 is a deficient number, since it is larger than the sum of its proper divisors (926043973).

6430342331 is an equidigital number, since it uses as much as digits as its factorization.

6430342331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927961.

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 6430342331 is about 80189.4153302043. The cubic root of 6430342331 is about 1859.5650051289.

Adding to 6430342331 its reverse (1332430346), we get a palindrome (7762772677).

The spelling of 6430342331 in words is "six billion, four hundred thirty million, three hundred forty-two thousand, three hundred thirty-one".

Divisors: 1 7 991 6937 926963 6488741 918620333 6430342331