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20135351410045 = 517236886487177
BaseRepresentation
bin1001001010000001000000…
…11101111101110101111101
32122021220212021000112210121
410211000200131331311331
510114344144430110140
6110454015220334541
74145505531022534
oct445004035756575
978256767015717
1020135351410045
116463399a417a3
122312448544451
13b309a8a75091
144d87b034131b
1524db7791764a
hex12502077dd7d

20135351410045 has 8 divisors (see below), whose sum is σ = 25583740615224. Its totient is φ = 15160735179264.

The previous prime is 20135351410033. The next prime is 20135351410081. The reversal of 20135351410045 is 54001415353102.

It can be written as a sum of positive squares in 4 ways, for example, as 9015780911641 + 11119570498404 = 3002629^2 + 3334602^2 .

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 20135351410045 - 29 = 20135351409533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118443243504 + ... + 118443243673.

It is an arithmetic number, because the mean of its divisors is an integer number (3197967576903).

Almost surely, 220135351410045 is an apocalyptic number.

It is an amenable number.

20135351410045 is a deficient number, since it is larger than the sum of its proper divisors (5448389205179).

20135351410045 is a wasteful number, since it uses less digits than its factorization.

20135351410045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236886487199.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 20135351410045 its reverse (54001415353102), we get a palindrome (74136766763147).

The spelling of 20135351410045 in words is "twenty trillion, one hundred thirty-five billion, three hundred fifty-one million, four hundred ten thousand, forty-five".

Divisors: 1 5 17 85 236886487177 1184432435885 4027070282009 20135351410045