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24423440020 = 2257473711769
BaseRepresentation
bin10110101111110000…
…000001111010010100
32100001010000022012121
4112233300001322110
5400004400040040
615115303025324
71523143546330
oct265760017224
970033008177
1024423440020
11a3a3438a81
12489743b244
1323c2c56a75
1412799827c0
1597e284c4a
hex5afc01e94

24423440020 has 48 divisors (see below), whose sum is σ = 59863426560. Its totient is φ = 8195583744.

The previous prime is 24423440017. The next prime is 24423440039. The reversal of 24423440020 is 2004432442.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1849305 + ... + 1862464.

It is an arithmetic number, because the mean of its divisors is an integer number (1247154720).

Almost surely, 224423440020 is an apocalyptic number.

24423440020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24423440020 is an abundant number, since it is smaller than the sum of its proper divisors (35439986540).

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

24423440020 is a wasteful number, since it uses less digits than its factorization.

24423440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711832 (or 3711830 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 24423440020 its reverse (2004432442), we get a palindrome (26427872462).

The spelling of 24423440020 in words is "twenty-four billion, four hundred twenty-three million, four hundred forty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 47 70 94 140 188 235 329 470 658 940 1316 1645 3290 6580 3711769 7423538 14847076 18558845 25982383 37117690 51964766 74235380 103929532 129911915 174453143 259823830 348906286 519647660 697812572 872265715 1221172001 1744531430 2442344002 3489062860 4884688004 6105860005 12211720010 24423440020