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811103379 = 31361319861
BaseRepresentation
bin110000010110000…
…111010010010011
32002112020022122220
4300112013102103
53130120302004
6212252432123
726046156612
oct6026072223
92075208586
10811103379
11386934a79
121a7778643
13cc06ca38
1479a19879
154b31bdd9
hex30587493

811103379 has 8 divisors (see below), whose sum is σ = 1081605072. Its totient is φ = 540668640.

The previous prime is 811103357. The next prime is 811103389. The reversal of 811103379 is 973301118.

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

It is not a de Polignac number, because 811103379 - 25 = 811103347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (811103339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30909 + ... + 50769.

It is an arithmetic number, because the mean of its divisors is an integer number (135200634).

Almost surely, 2811103379 is an apocalyptic number.

811103379 is a deficient number, since it is larger than the sum of its proper divisors (270501693).

811103379 is a wasteful number, since it uses less digits than its factorization.

811103379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33477.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 811103379 is about 28479.8767377951. The cubic root of 811103379 is about 932.5928258021.

The spelling of 811103379 in words is "eight hundred eleven million, one hundred three thousand, three hundred seventy-nine".

Divisors: 1 3 13613 19861 40839 59583 270367793 811103379