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210143220301 = 7227131580773
BaseRepresentation
bin1100001110110110000…
…0110001001001001101
3202002102020112122221101
43003231200301021031
511420333131022201
6240312150303101
721116354620600
oct3035540611115
9662366478841
10210143220301
11811374077a3
1234888657a91
1316a7c8a3691
14a257286337
1556edbc2d01
hex30ed83124d

210143220301 has 12 divisors (see below), whose sum is σ = 244542576252. Its totient is φ = 180056253888.

The previous prime is 210143220299. The next prime is 210143220311. The reversal of 210143220301 is 103022341012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 138707829225 + 71435391076 = 372435^2 + 267274^2 .

It is not a de Polignac number, because 210143220301 - 21 = 210143220299 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 (210143220311) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 657450 + ... + 923323.

It is an arithmetic number, because the mean of its divisors is an integer number (20378548021).

Almost surely, 2210143220301 is an apocalyptic number.

It is an amenable number.

210143220301 is a deficient number, since it is larger than the sum of its proper divisors (34399355951).

210143220301 is a wasteful number, since it uses less digits than its factorization.

210143220301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583500 (or 1583493 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 210143220301 its reverse (103022341012), we get a palindrome (313165561313).

The spelling of 210143220301 in words is "two hundred ten billion, one hundred forty-three million, two hundred twenty thousand, three hundred one".

Divisors: 1 7 49 2713 18991 132937 1580773 11065411 77457877 4288637149 30020460043 210143220301