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1364387143 = 7194912449
BaseRepresentation
bin101000101010010…
…1110010101000111
310112002100001022011
41101110232111013
510243240342033
6343215315051
745545046040
oct12124562507
93462301264
101364387143
11640185289
12320b1ba87
1318988ca92
14cd2c18c7
157ebacccd
hex5152e547

1364387143 has 4 divisors (see below), whose sum is σ = 1559299600. Its totient is φ = 1169474688.

The previous prime is 1364387107. The next prime is 1364387147. The reversal of 1364387143 is 3417834631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3417834631 = 11719291649.

It is a cyclic number.

It is not a de Polignac number, because 1364387143 - 29 = 1364386631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1364387096 and 1364387105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364387147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97456218 + ... + 97456231.

It is an arithmetic number, because the mean of its divisors is an integer number (389824900).

Almost surely, 21364387143 is an apocalyptic number.

1364387143 is a deficient number, since it is larger than the sum of its proper divisors (194912457).

1364387143 is an equidigital number, since it uses as much as digits as its factorization.

1364387143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194912456.

The product of its digits is 145152, while the sum is 40.

The square root of 1364387143 is about 36937.6114956016. The cubic root of 1364387143 is about 1109.1217095298.

The spelling of 1364387143 in words is "one billion, three hundred sixty-four million, three hundred eighty-seven thousand, one hundred forty-three".

Divisors: 1 7 194912449 1364387143