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1431034021205 = 5718873981343
BaseRepresentation
bin10100110100110000010…
…001100100010101010101
312001210202012222102021122
4110310300101210111111
5141421224202134310
63013224041253325
7205250233323665
oct24646021442525
95053665872248
101431034021205
115019974417a8
121b1416494245
13a4c3b28b529
144d3960da1a5
152735793a555
hex14d30464555

1431034021205 has 8 divisors (see below), whose sum is σ = 1717265144832. Its totient is φ = 1144811004048.

The previous prime is 1431034021187. The next prime is 1431034021243. The reversal of 1431034021205 is 5021204301341.

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 not a de Polignac number, because 1431034021205 - 214 = 1431034004821 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 7 ways as a sum of consecutive naturals, for example, 1631237 + ... + 2350106.

It is an arithmetic number, because the mean of its divisors is an integer number (214658143104).

Almost surely, 21431034021205 is an apocalyptic number.

It is an amenable number.

1431034021205 is a deficient number, since it is larger than the sum of its proper divisors (286231123627).

1431034021205 is an equidigital number, since it uses as much as digits as its factorization.

1431034021205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053235.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1431034021205 its reverse (5021204301341), we get a palindrome (6452238322546).

The spelling of 1431034021205 in words is "one trillion, four hundred thirty-one billion, thirty-four million, twenty-one thousand, two hundred five".

Divisors: 1 5 71887 359435 3981343 19906715 286206804241 1431034021205