Search a number
-
+
10024442431 = 66115165571
BaseRepresentation
bin10010101011000000…
…01101101000111111
3221212121202102211121
421111200031220333
5131012224124211
64334414331411
7503262232453
oct112540155077
927777672747
1010024442431
114284599a73
121b391b9b67
13c39a97953
146b14c6663
153da0da271
hex25580da3f

10024442431 has 4 divisors (see below), whose sum is σ = 10039608664. Its totient is φ = 10009276200.

The previous prime is 10024442371. The next prime is 10024442443. The reversal of 10024442431 is 13424442001.

10024442431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13424442001 = 19706549579.

It is a cyclic number.

It is not a de Polignac number, because 10024442431 - 211 = 10024440383 is a prime.

It is a super-2 number, since 2×100244424312 (a number of 21 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 = 10024442396 and 10024442405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10024442531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7582125 + ... + 7583446.

It is an arithmetic number, because the mean of its divisors is an integer number (2509902166).

Almost surely, 210024442431 is an apocalyptic number.

10024442431 is a deficient number, since it is larger than the sum of its proper divisors (15166233).

10024442431 is an equidigital number, since it uses as much as digits as its factorization.

10024442431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15166232.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10024442431 its reverse (13424442001), we get a palindrome (23448884432).

The spelling of 10024442431 in words is "ten billion, twenty-four million, four hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 661 15165571 10024442431