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24885683420 = 22513760312589
BaseRepresentation
bin10111001011010011…
…010110010011011100
32101020022210200221112
4113023103112103130
5401431213332140
615233214321152
71540455550613
oct271323262334
971208720845
1024885683420
11a610357314
1249a61b91b8
13246794c480
1412c110a87a
159a9b40c65
hex5cb4d64dc

24885683420 has 48 divisors (see below), whose sum is σ = 56291803680. Its totient is φ = 9186621696.

The previous prime is 24885683387. The next prime is 24885683423. The reversal of 24885683420 is 2438658842.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24885683423) 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 15 ways as a sum of consecutive naturals, for example, 1970486 + ... + 1983074.

It is an arithmetic number, because the mean of its divisors is an integer number (1172745910).

Almost surely, 224885683420 is an apocalyptic number.

24885683420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24885683420 is an abundant number, since it is smaller than the sum of its proper divisors (31406120260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24885683420 is a wasteful number, since it uses less digits than its factorization.

24885683420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20214 (or 20212 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 50.

The spelling of 24885683420 in words is "twenty-four billion, eight hundred eighty-five million, six hundred eighty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 7603 12589 15206 25178 30412 38015 50356 62945 76030 98839 125890 152060 163657 197678 251780 327314 395356 494195 654628 818285 988390 1636570 1976780 3273140 95714167 191428334 382856668 478570835 957141670 1244284171 1914283340 2488568342 4977136684 6221420855 12442841710 24885683420