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23244422400431 = 97239633220623
BaseRepresentation
bin1010100100100000000111…
…00010100100100110101111
310001022010220202121020000022
411102100003202210212233
511021314034113303211
6121234201253552355
74616232312266351
oct522200342444657
9101263822536008
1023244422400431
1174519a4511941
122734b120456bb
13cc7c2a48c23b
145a5070cad0d1
152a49928e6bdb
hex1524038a49af

23244422400431 has 4 divisors (see below), whose sum is σ = 23484055621152. Its totient is φ = 23004789179712.

The previous prime is 23244422400421. The next prime is 23244422400457. The reversal of 23244422400431 is 13400422444232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23244422400431 is a prime.

It is a super-2 number, since 2×232444224004312 (a number of 28 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 = 23244422400391 and 23244422400400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23244422400421) 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, 119816610215 + ... + 119816610408.

It is an arithmetic number, because the mean of its divisors is an integer number (5871013905288).

Almost surely, 223244422400431 is an apocalyptic number.

23244422400431 is a deficient number, since it is larger than the sum of its proper divisors (239633220721).

23244422400431 is an equidigital number, since it uses as much as digits as its factorization.

23244422400431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239633220720.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 23244422400431 its reverse (13400422444232), we get a palindrome (36644844844663).

The spelling of 23244422400431 in words is "twenty-three trillion, two hundred forty-four billion, four hundred twenty-two million, four hundred thousand, four hundred thirty-one".

Divisors: 1 97 239633220623 23244422400431