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1342385288989 = 4093458994889
BaseRepresentation
bin10011100010001100011…
…001011111011100011101
311202022221010202020002021
4103202030121133130131
5133443201113221424
62504403331300141
7165661362455443
oct23421431373435
94668833666067
101342385288989
11478336555148
121981b614a651
13997813b46b4
1448d86866b93
1524dba0294e4
hex1388c65f71d

1342385288989 has 8 divisors (see below), whose sum is σ = 1345720491000. Its totient is φ = 1339050346752.

The previous prime is 1342385288977. The next prime is 1342385289041. The reversal of 1342385288989 is 9898825832431.

It can be written as a sum of positive squares in 4 ways, for example, as 468081747225 + 874303541764 = 684165^2 + 935042^2 .

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

It is not a de Polignac number, because 1342385288989 - 27 = 1342385288861 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 (1342385280989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14099457 + ... + 14194345.

It is an arithmetic number, because the mean of its divisors is an integer number (168215061375).

Almost surely, 21342385288989 is an apocalyptic number.

It is an amenable number.

1342385288989 is a deficient number, since it is larger than the sum of its proper divisors (3335202011).

1342385288989 is an equidigital number, since it uses as much as digits as its factorization.

1342385288989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129887.

The product of its digits is 238878720, while the sum is 70.

The spelling of 1342385288989 in words is "one trillion, three hundred forty-two billion, three hundred eighty-five million, two hundred eighty-eight thousand, nine hundred eighty-nine".

Divisors: 1 409 34589 94889 14146901 38809601 3282115621 1342385288989