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431242422041 = 2639916335559
BaseRepresentation
bin1100100011010000000…
…11010010011100011001
31112020010000200212000002
412101220003102130121
524031141030001131
6530035433422345
743104406051364
oct6215003223431
91466100625002
10431242422041
11156986117502
126b6b226a9b5
133188722b9c2
1416c2d6210db
15b33e63c6cb
hex64680d2719

431242422041 has 4 divisors (see below), whose sum is σ = 431258784000. Its totient is φ = 431226060084.

The previous prime is 431242422019. The next prime is 431242422043. The reversal of 431242422041 is 140224242134.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-431242422041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431242421995 and 431242422013.

It is not an unprimeable number, because it can be changed into a prime (431242422043) 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, 8141381 + ... + 8194178.

It is an arithmetic number, because the mean of its divisors is an integer number (107814696000).

Almost surely, 2431242422041 is an apocalyptic number.

It is an amenable number.

431242422041 is a deficient number, since it is larger than the sum of its proper divisors (16361959).

431242422041 is a wasteful number, since it uses less digits than its factorization.

431242422041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16361958.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 431242422041 its reverse (140224242134), we get a palindrome (571466664175).

The spelling of 431242422041 in words is "four hundred thirty-one billion, two hundred forty-two million, four hundred twenty-two thousand, forty-one".

Divisors: 1 26399 16335559 431242422041