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20410344425 = 521645149627
BaseRepresentation
bin10011000000100011…
…010010001111101001
31221200102122220222102
4103000203102033221
5313300022010200
613213144303145
71321534031222
oct230043221751
957612586872
1020410344425
11872411a949
123b57471ab5
131c036cb7a3
14db89c0249
157e6cc46d5
hex4c08d23e9

20410344425 has 12 divisors (see below), whose sum is σ = 25310875536. Its totient is φ = 16326954000.

The previous prime is 20410344413. The next prime is 20410344433. The reversal of 20410344425 is 52444301402.

It is not a de Polignac number, because 20410344425 - 220 = 20409295849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386462 + ... + 436088.

It is an arithmetic number, because the mean of its divisors is an integer number (2109239628).

Almost surely, 220410344425 is an apocalyptic number.

20410344425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20410344425 is a deficient number, since it is larger than the sum of its proper divisors (4900531111).

20410344425 is a wasteful number, since it uses less digits than its factorization.

20410344425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66088 (or 66083 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 20410344425 its reverse (52444301402), we get a palindrome (72854645827).

The spelling of 20410344425 in words is "twenty billion, four hundred ten million, three hundred forty-four thousand, four hundred twenty-five".

Divisors: 1 5 25 16451 49627 82255 248135 411275 1240675 816413777 4082068885 20410344425