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1430423012 = 22837742689
BaseRepresentation
bin101010101000010…
…1000010111100100
310200200121000111002
41111100220113210
510412142014022
6353534532432
750306252324
oct12520502744
93620530432
101430423012
11674488a87
1233b067118
1319a471165
14d7d91284
15858a4092
hex554285e4

1430423012 has 12 divisors (see below), whose sum is σ = 2503597740. Its totient is φ = 715109376.

The previous prime is 1430423003. The next prime is 1430423017. The reversal of 1430423012 is 2103240341.

It can be written as a sum of positive squares in 2 ways, for example, as 351037696 + 1079385316 = 18736^2 + 32854^2 .

It is a super-2 number, since 2×14304230122 = 4092219986518304288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1430423017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12164 + ... + 54852.

It is an arithmetic number, because the mean of its divisors is an integer number (208633145).

Almost surely, 21430423012 is an apocalyptic number.

It is an amenable number.

1430423012 is a deficient number, since it is larger than the sum of its proper divisors (1073174728).

1430423012 is a wasteful number, since it uses less digits than its factorization.

1430423012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51070 (or 51068 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1430423012 is about 37820.9335157132. The cubic root of 1430423012 is about 1126.7342501542.

Adding to 1430423012 its reverse (2103240341), we get a palindrome (3533663353).

The spelling of 1430423012 in words is "one billion, four hundred thirty million, four hundred twenty-three thousand, twelve".

Divisors: 1 2 4 8377 16754 33508 42689 85378 170756 357605753 715211506 1430423012