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20441215020253 = 29960173416257
BaseRepresentation
bin1001010010111010101110…
…10111000010110011011101
32200101011100102100211121011
410221131113113002303131
510134402102021122003
6111250321535135221
74206554235560536
oct451352727026335
980334312324534
1020441215020253
116571085a83145
122361789674511
13b537a1627711
1450950810b68d
15256ac9c6c46d
hex1297575c2cdd

20441215020253 has 8 divisors (see below), whose sum is σ = 21148287279480. Its totient is φ = 19734289612800.

The previous prime is 20441215020251. The next prime is 20441215020271. The reversal of 20441215020253 is 35202051214402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6050625879204 + 14390589141049 = 2459802^2 + 3793493^2 .

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 20441215020253 - 21 = 20441215020251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441215020251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36429700 + ... + 36986557.

It is an arithmetic number, because the mean of its divisors is an integer number (2643535909935).

Almost surely, 220441215020253 is an apocalyptic number.

It is an amenable number.

20441215020253 is a deficient number, since it is larger than the sum of its proper divisors (707072259227).

20441215020253 is an equidigital number, since it uses as much as digits as its factorization.

20441215020253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73425887.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 20441215020253 its reverse (35202051214402), we get a palindrome (55643266234655).

The spelling of 20441215020253 in words is "twenty trillion, four hundred forty-one billion, two hundred fifteen million, twenty thousand, two hundred fifty-three".

Divisors: 1 29 9601 278429 73416257 2129071453 704869483457 20441215020253