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1394286006397 = 5217757345001
BaseRepresentation
bin10100010010100001111…
…011000001000001111101
311221021220012002211211011
4110102201323001001331
5140320444204201042
62544305351555221
7202506464336404
oct24224173010175
94837805084734
101394286006397
1149834a113329
121a627b68bb11
13a1632b7967b
144b6ab7aa63b
15264066bea17
hex144a1ec107d

1394286006397 has 8 divisors (see below), whose sum is σ = 1397146319352. Its totient is φ = 1391426400000.

The previous prime is 1394286006391. The next prime is 1394286006401. The reversal of 1394286006397 is 7936006824931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 515302879716 + 878983126681 = 717846^2 + 937541^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1394286006397 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 (1394286006391) 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, 3868897 + ... + 4213897.

It is an arithmetic number, because the mean of its divisors is an integer number (174643289919).

Almost surely, 21394286006397 is an apocalyptic number.

It is an amenable number.

1394286006397 is a deficient number, since it is larger than the sum of its proper divisors (2860312955).

1394286006397 is an equidigital number, since it uses as much as digits as its factorization.

1394286006397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353279.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 1394286006397 in words is "one trillion, three hundred ninety-four billion, two hundred eighty-six million, six thousand, three hundred ninety-seven".

Divisors: 1 521 7757 345001 4041397 179745521 2676172757 1394286006397