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430312442005 = 5241625757073
BaseRepresentation
bin1100100001100001001…
…11101100100010010101
31112010201012202222020001
412100300213230202111
524022234441121010
6525403253011301
743042354256335
oct6206047544225
91463635688201
10430312442005
11156549178766
126b492923b31
1331769669464
1416b81cdd0c5
15b2d7b8cc3a
hex64309ec895

430312442005 has 16 divisors (see below), whose sum is σ = 518609521584. Its totient is φ = 342760734720.

The previous prime is 430312441981. The next prime is 430312442033. The reversal of 430312442005 is 500244213034.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 119499501969 + 310812940036 = 345687^2 + 557506^2 .

It is not a de Polignac number, because 430312442005 - 211 = 430312439957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7511149 + ... + 7568221.

It is an arithmetic number, because the mean of its divisors is an integer number (32413095099).

Almost surely, 2430312442005 is an apocalyptic number.

It is an amenable number.

430312442005 is a deficient number, since it is larger than the sum of its proper divisors (88297079579).

430312442005 is a wasteful number, since it uses less digits than its factorization.

430312442005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63576.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 430312442005 its reverse (500244213034), we get a palindrome (930556655039).

The spelling of 430312442005 in words is "four hundred thirty billion, three hundred twelve million, four hundred forty-two thousand, five".

Divisors: 1 5 241 1205 6257 31285 57073 285365 1507937 7539685 13754593 68772965 357105761 1785528805 86062488401 430312442005