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431400204041 = 643183670727
BaseRepresentation
bin1100100011100010111…
…01001011011100001001
31112020112000121000012212
412101301131023130021
524032001423012131
6530103231314505
743111333142252
oct6216135133411
91466460530185
10431400204041
11156a57194454
126b73707ba35
13318b0b23a31
1416c46573b29
15b34d407a2b
hex647174b709

431400204041 has 4 divisors (see below), whose sum is σ = 431401517952. Its totient is φ = 431398890132.

The previous prime is 431400204029. The next prime is 431400204061. The reversal of 431400204041 is 140402004134.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 431400204041 - 238 = 156522297097 is a prime.

It is a super-2 number, since 2×4314002040412 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431400203998 and 431400204016.

It is not an unprimeable number, because it can be changed into a prime (431400204061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307820 + ... + 978546.

It is an arithmetic number, because the mean of its divisors is an integer number (107850379488).

Almost surely, 2431400204041 is an apocalyptic number.

It is an amenable number.

431400204041 is a deficient number, since it is larger than the sum of its proper divisors (1313911).

431400204041 is an equidigital number, since it uses as much as digits as its factorization.

431400204041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313910.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 431400204041 its reverse (140402004134), we get a palindrome (571802208175).

The spelling of 431400204041 in words is "four hundred thirty-one billion, four hundred million, two hundred four thousand, forty-one".

Divisors: 1 643183 670727 431400204041