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24981640423 = 411793403957
BaseRepresentation
bin10111010001000001…
…011001010011100111
32101111000100211012121
4113101001121103213
5402130244443143
615250523130411
71543032303625
oct272101312347
971430324177
1024981640423
11a65a537223
124a12373a07
1324817a896c
1412cdb68515
159b32977ed
hex5d10594e7

24981640423 has 8 divisors (see below), whose sum is σ = 25733922480. Its totient is φ = 24236166720.

The previous prime is 24981640393. The next prime is 24981640441. The reversal of 24981640423 is 32404618942.

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 24981640423 - 25 = 24981640391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24981640423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24981640483) 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 7 ways as a sum of consecutive naturals, for example, 1694640 + ... + 1709317.

It is an arithmetic number, because the mean of its divisors is an integer number (3216740310).

Almost surely, 224981640423 is an apocalyptic number.

24981640423 is a deficient number, since it is larger than the sum of its proper divisors (752282057).

24981640423 is a wasteful number, since it uses less digits than its factorization.

24981640423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404177.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 24981640423 in words is "twenty-four billion, nine hundred eighty-one million, six hundred forty thousand, four hundred twenty-three".

Divisors: 1 41 179 7339 3403957 139562237 609308303 24981640423