Search a number
-
+
24440233042021 = 157340897456649
BaseRepresentation
bin1011000111010011011110…
…11010001010000001100101
310012112110111212021212122011
411203221233122022001211
511200412044124321041
6123551404342034221
75101514521112446
oct543515732120145
9105473455255564
1024440233042021
11787305443aa55
1228a8820718971
13108391cb55b34
14606cb0c712cd
152c5b2e905e81
hex163a6f68a065

24440233042021 has 8 divisors (see below), whose sum is σ = 24596029328600. Its totient is φ = 24284438350848.

The previous prime is 24440233041899. The next prime is 24440233042037. The reversal of 24440233042021 is 12024033204442.

It can be written as a sum of positive squares in 4 ways, for example, as 11660244384100 + 12779988657921 = 3414710^2 + 3574911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24440233042021 - 219 = 24440232517733 is a prime.

It is a super-2 number, since 2×244402330420212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24440233082021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53292505 + ... + 53749153.

It is an arithmetic number, because the mean of its divisors is an integer number (3074503666075).

Almost surely, 224440233042021 is an apocalyptic number.

It is an amenable number.

24440233042021 is a deficient number, since it is larger than the sum of its proper divisors (155796286579).

24440233042021 is a wasteful number, since it uses less digits than its factorization.

24440233042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797703.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 24440233042021 its reverse (12024033204442), we get a palindrome (36464266246463).

The spelling of 24440233042021 in words is "twenty-four trillion, four hundred forty billion, two hundred thirty-three million, forty-two thousand, twenty-one".

Divisors: 1 157 340897 456649 53520829 71693893 155670274153 24440233042021