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1318427133 = 3643683477
BaseRepresentation
bin100111010010101…
…1001100111111101
310101212212001000120
41032211121213331
510200004132013
6334454245153
744446305612
oct11645314775
93355761016
101318427133
11617243901
123096567b9
131801ba4ca
14c715a509
157ab30123
hex4e9599fd

1318427133 has 8 divisors (see below), whose sum is σ = 1760639328. Its totient is φ = 877583184.

The previous prime is 1318427083. The next prime is 1318427167. The reversal of 1318427133 is 3317248131.

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

It is not a de Polignac number, because 1318427133 - 26 = 1318427069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1318427094 and 1318427103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318427633) 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, 339810 + ... + 343667.

It is an arithmetic number, because the mean of its divisors is an integer number (220079916).

Almost surely, 21318427133 is an apocalyptic number.

It is an amenable number.

1318427133 is a deficient number, since it is larger than the sum of its proper divisors (442212195).

1318427133 is an equidigital number, since it uses as much as digits as its factorization.

1318427133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684123.

The product of its digits is 12096, while the sum is 33.

The square root of 1318427133 is about 36310.1519275257. The cubic root of 1318427133 is about 1096.5254367495.

The spelling of 1318427133 in words is "one billion, three hundred eighteen million, four hundred twenty-seven thousand, one hundred thirty-three".

Divisors: 1 3 643 1929 683477 2050431 439475711 1318427133