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6430045319 = 61975571951
BaseRepresentation
bin1011111110100001…
…01011010010000111
3121121010021010221122
411333100223102013
5101132042422234
62542014104155
7315225324545
oct57720532207
917533233848
106430045319
1127aa658245
1212b54ab05b
137b61c9b59
1444dd94d95
1527978392e
hex17f42b487

6430045319 has 16 divisors (see below), whose sum is σ = 6618076416. Its totient is φ = 6244992000.

The previous prime is 6430045309. The next prime is 6430045331. The reversal of 6430045319 is 9135400346.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6430045319 is a prime.

It is a super-2 number, since 2×64300453192 = 82690965608787623522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430045309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3294794 + ... + 3296744.

It is an arithmetic number, because the mean of its divisors is an integer number (413629776).

Almost surely, 26430045319 is an apocalyptic number.

6430045319 is a deficient number, since it is larger than the sum of its proper divisors (188031097).

6430045319 is a wasteful number, since it uses less digits than its factorization.

6430045319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 6430045319 is about 80187.5633686421. The cubic root of 6430045319 is about 1859.5363741169.

The spelling of 6430045319 in words is "six billion, four hundred thirty million, forty-five thousand, three hundred nineteen".

Divisors: 1 61 97 557 1951 5917 33977 54029 119011 189247 1086707 3295769 11544067 66289127 105410579 6430045319