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1430140430447 = 1987719748581
BaseRepresentation
bin10100110011111011000…
…000110010100001101111
312001201102221112022012122
4110303323000302201233
5141412411422233242
63012555240423155
7205216133041061
oct24637300624157
95051387468178
101430140430447
11501578a97843
121b1207177abb
13a4b280ca1c1
144d30d56b731
1527304277ad2
hex14cfb03286f

1430140430447 has 4 divisors (see below), whose sum is σ = 1430860181016. Its totient is φ = 1429420679880.

The previous prime is 1430140430437. The next prime is 1430140430507. The reversal of 1430140430447 is 7440340410341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1430140430447 - 226 = 1430073321583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430140430437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359872304 + ... + 359876277.

It is an arithmetic number, because the mean of its divisors is an integer number (357715045254).

Almost surely, 21430140430447 is an apocalyptic number.

1430140430447 is a deficient number, since it is larger than the sum of its proper divisors (719750569).

1430140430447 is an equidigital number, since it uses as much as digits as its factorization.

1430140430447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719750568.

The product of its (nonzero) digits is 64512, while the sum is 35.

Adding to 1430140430447 its reverse (7440340410341), we get a palindrome (8870480840788).

The spelling of 1430140430447 in words is "one trillion, four hundred thirty billion, one hundred forty million, four hundred thirty thousand, four hundred forty-seven".

Divisors: 1 1987 719748581 1430140430447