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420213304002143 = 879774776399559
BaseRepresentation
bin101111110001011101000100…
…0101101110000011001011111
32001002211222222122211122022002
41133202322020231300121133
5420034233321311032033
64045415154334112515
7154340260256034431
oct13742721055603137
92032758878748262
10420213304002143
11111990509197623
123b1681a134b73b
1315061c381c1c72
1475aa60a848651
15338aaa43da3e8
hex17e2e88b7065f

420213304002143 has 4 divisors (see below), whose sum is σ = 420218080489680. Its totient is φ = 420208527514608.

The previous prime is 420213304002133. The next prime is 420213304002169. The reversal of 420213304002143 is 341200403312024.

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 420213304002143 - 24 = 420213304002127 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 (420213304002113) 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, 2388111803 + ... + 2388287756.

It is an arithmetic number, because the mean of its divisors is an integer number (105054520122420).

Almost surely, 2420213304002143 is an apocalyptic number.

420213304002143 is a deficient number, since it is larger than the sum of its proper divisors (4776487537).

420213304002143 is an equidigital number, since it uses as much as digits as its factorization.

420213304002143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776487536.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 420213304002143 its reverse (341200403312024), we get a palindrome (761413707314167).

The spelling of 420213304002143 in words is "four hundred twenty trillion, two hundred thirteen billion, three hundred four million, two thousand, one hundred forty-three".

Divisors: 1 87977 4776399559 420213304002143