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20512024365005 = 522775832383261
BaseRepresentation
bin1001010100111110100111…
…11011010000011111001101
32200121221010020122020202022
410222133103323100133031
510142032111214140010
6111343032141135525
74214642041224065
oct452372373203715
980557106566668
1020512024365005
116599112008978
12237344b55a5a5
13b5a377647494
1450cb044023a5
1525887144dd55
hex12a7d3ed07cd

20512024365005 has 16 divisors (see below), whose sum is σ = 24726133522944. Its totient is φ = 16335169097280.

The previous prime is 20512024364989. The next prime is 20512024365017. The reversal of 20512024365005 is 50056342021502.

It is not a de Polignac number, because 20512024365005 - 24 = 20512024364989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7415075 + ... + 9798335.

It is an arithmetic number, because the mean of its divisors is an integer number (1545383345184).

Almost surely, 220512024365005 is an apocalyptic number.

It is an amenable number.

20512024365005 is a deficient number, since it is larger than the sum of its proper divisors (4214109157939).

20512024365005 is a wasteful number, since it uses less digits than its factorization.

20512024365005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391076.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 20512024365005 its reverse (50056342021502), we get a palindrome (70568366386507).

The spelling of 20512024365005 in words is "twenty trillion, five hundred twelve billion, twenty-four million, three hundred sixty-five thousand, five".

Divisors: 1 5 227 1135 7583 37915 1721341 2383261 8606705 11916305 541000247 2705001235 18072268163 90361340815 4102404873001 20512024365005