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24354050021 = 72497021429
BaseRepresentation
bin10110101011100111…
…010100111111100101
32022212021102221000122
4112223213110333211
5344334114100041
615104343451325
71521342003200
oct265347247745
968767387018
1024354050021
11a368254274
124878156b45
1323b176cab2
14127067c937
15978129c4b
hex5ab9d4fe5

24354050021 has 6 divisors (see below), whose sum is σ = 28330221510. Its totient is φ = 20874899976.

The previous prime is 24354050011. The next prime is 24354050029. The reversal of 24354050021 is 12005045342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17879433796 + 6474616225 = 133714^2 + 80465^2 .

It is not a de Polignac number, because 24354050021 - 234 = 7174180837 is a prime.

It is a super-3 number, since 3×243540500213 (a number of 32 digits) contains 333 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 (24354050029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248510666 + ... + 248510763.

It is an arithmetic number, because the mean of its divisors is an integer number (4721703585).

Almost surely, 224354050021 is an apocalyptic number.

It is an amenable number.

24354050021 is a deficient number, since it is larger than the sum of its proper divisors (3976171489).

24354050021 is an equidigital number, since it uses as much as digits as its factorization.

24354050021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497021443 (or 497021436 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 24354050021 its reverse (12005045342), we get a palindrome (36359095363).

The spelling of 24354050021 in words is "twenty-four billion, three hundred fifty-four million, fifty thousand, twenty-one".

Divisors: 1 7 49 497021429 3479150003 24354050021