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431401000201 = 653660644717
BaseRepresentation
bin1100100011100011000…
…00001101110100001001
31112020112002002110100021
412101301200031310021
524032002124001301
6530103300340441
743111342666363
oct6216140156411
91466462073307
10431401000201
11156a57688636
126b7373a4721
13318b1042232
1416c466ddd33
15b34d5138a1
hex647180dd09

431401000201 has 4 divisors (see below), whose sum is σ = 432061645572. Its totient is φ = 430740354832.

The previous prime is 431401000193. The next prime is 431401000223. The reversal of 431401000201 is 102000104134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 313013394576 + 118387605625 = 559476^2 + 344075^2 .

It is a cyclic number.

It is not a de Polignac number, because 431401000201 - 23 = 431401000193 is a prime.

It is a super-3 number, since 3×4314010002013 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431402000201) 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, 330321706 + ... + 330323011.

It is an arithmetic number, because the mean of its divisors is an integer number (108015411393).

Almost surely, 2431401000201 is an apocalyptic number.

It is an amenable number.

431401000201 is a deficient number, since it is larger than the sum of its proper divisors (660645371).

431401000201 is an equidigital number, since it uses as much as digits as its factorization.

431401000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660645370.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 431401000201 its reverse (102000104134), we get a palindrome (533401104335).

The spelling of 431401000201 in words is "four hundred thirty-one billion, four hundred one million, two hundred one", and thus it is an aban number.

Divisors: 1 653 660644717 431401000201