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838809256053 = 31641117037541
BaseRepresentation
bin11000011010011001110…
…11011000000001110101
32222012010001121012212110
430031030323120001311
5102220340132143203
61441202121241233
7114413322015066
oct14151473300165
92865101535773
10838809256053
112a3811a5922a
12116697633219
136113a428802
142c85473256d
1516c454bad03
hexc34ced8075

838809256053 has 8 divisors (see below), whose sum is σ = 1118480557216. Its totient is φ = 559172062800.

The previous prime is 838809256037. The next prime is 838809256057. The reversal of 838809256053 is 350652908838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 838809256053 - 24 = 838809256037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 838809255984 and 838809256002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838809256057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8469538 + ... + 8568003.

It is an arithmetic number, because the mean of its divisors is an integer number (139810069652).

Almost surely, 2838809256053 is an apocalyptic number.

It is an amenable number.

838809256053 is a deficient number, since it is larger than the sum of its proper divisors (279671301163).

838809256053 is a wasteful number, since it uses less digits than its factorization.

838809256053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17053955.

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 838809256053 in words is "eight hundred thirty-eight billion, eight hundred nine million, two hundred fifty-six thousand, fifty-three".

Divisors: 1 3 16411 49233 17037541 51112623 279603085351 838809256053