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810938141 = 13471327231
BaseRepresentation
bin110000010101011…
…110111100011101
32002111220220222222
4300111132330131
53130100010031
6212245115125
726044601066
oct6025367435
92074826888
10810938141
11386831912
121a76b8aa5
13cc012770
14799b556d
154b2d7e7b
hex3055ef1d

810938141 has 8 divisors (see below), whose sum is σ = 891899904. Its totient is φ = 732630960.

The previous prime is 810938129. The next prime is 810938147. The reversal of 810938141 is 141839018.

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 810938141 - 218 = 810675997 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 (810938147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663005 + ... + 664226.

It is an arithmetic number, because the mean of its divisors is an integer number (111487488).

Almost surely, 2810938141 is an apocalyptic number.

It is an amenable number.

810938141 is a deficient number, since it is larger than the sum of its proper divisors (80961763).

810938141 is a wasteful number, since it uses less digits than its factorization.

810938141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327291.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 810938141 is about 28476.9756294449. The cubic root of 810938141 is about 932.5294922235.

The spelling of 810938141 in words is "eight hundred ten million, nine hundred thirty-eight thousand, one hundred forty-one".

Divisors: 1 13 47 611 1327231 17254003 62379857 810938141