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431421389041 = 585797364779
BaseRepresentation
bin1100100011100101011…
…01111111100011110001
31112020120111110022120111
412101302231333203301
524032022333422131
6530105305341321
743112011205146
oct6216255774361
91466514408514
10431421389041
11156a68144015
126b742197841
13318b5330636
1416c492ca3cd
15b3501deab1
hex6472b7f8f1

431421389041 has 4 divisors (see below), whose sum is σ = 431428812400. Its totient is φ = 431413965684.

The previous prime is 431421389033. The next prime is 431421389051. The reversal of 431421389041 is 140983124134.

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 not a de Polignac number, because 431421389041 - 23 = 431421389033 is a prime.

It is a super-2 number, since 2×4314213890412 (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 = 431421388985 and 431421389003.

It is not an unprimeable number, because it can be changed into a prime (431421389011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3623811 + ... + 3740968.

It is an arithmetic number, because the mean of its divisors is an integer number (107857203100).

Almost surely, 2431421389041 is an apocalyptic number.

It is an amenable number.

431421389041 is a deficient number, since it is larger than the sum of its proper divisors (7423359).

431421389041 is an equidigital number, since it uses as much as digits as its factorization.

431421389041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423358.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 431421389041 in words is "four hundred thirty-one billion, four hundred twenty-one million, three hundred eighty-nine thousand, forty-one".

Divisors: 1 58579 7364779 431421389041