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24405142425 = 3521579206081
BaseRepresentation
bin10110101110101010…
…001110101110011001
32022222211120200121220
4112232222032232121
5344440204024200
615113410522253
71522532200506
oct265652165631
968884520556
1024405142425
11a3940807a4
124891296389
1323bc21b4a1
14127737c4ad
1597c86d4a0
hex5aea8eb99

24405142425 has 24 divisors (see below), whose sum is σ = 40375585440. Its totient is φ = 13007769600.

The previous prime is 24405142423. The next prime is 24405142451. The reversal of 24405142425 is 52424150442.

It is not a de Polignac number, because 24405142425 - 21 = 24405142423 is a prime.

It is a super-2 number, since 2×244051424252 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24405142423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15385 + ... + 221465.

It is an arithmetic number, because the mean of its divisors is an integer number (1682316060).

Almost surely, 224405142425 is an apocalyptic number.

24405142425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24405142425 is a deficient number, since it is larger than the sum of its proper divisors (15970443015).

24405142425 is a wasteful number, since it uses less digits than its factorization.

24405142425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207673 (or 207668 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 24405142425 its reverse (52424150442), we get a palindrome (76829292867).

The spelling of 24405142425 in words is "twenty-four billion, four hundred five million, one hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 1579 4737 7895 23685 39475 118425 206081 618243 1030405 3091215 5152025 15456075 325401899 976205697 1627009495 4881028485 8135047475 24405142425