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1297942393379 = 2380969755597
BaseRepresentation
bin10010111000110011011…
…001010011001000100011
311121002012211121012120112
4102320303121103020203
5132231141223042004
62432133322001535
7162526136211302
oct22706331231043
94532184535515
101297942393379
114604aa709955
1218b6723462ab
139551aa30628
1446b6c1b6439
1523b68483e6e
hex12e33653223

1297942393379 has 8 divisors (see below), whose sum is σ = 1356048825120. Its totient is φ = 1239975474496.

The previous prime is 1297942393369. The next prime is 1297942393441. The reversal of 1297942393379 is 9733932497921.

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

It is not a de Polignac number, because 1297942393379 - 28 = 1297942393123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297942393369) 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, 34859192 + ... + 34896405.

It is an arithmetic number, because the mean of its divisors is an integer number (169506103140).

Almost surely, 21297942393379 is an apocalyptic number.

1297942393379 is a deficient number, since it is larger than the sum of its proper divisors (58106431741).

1297942393379 is an equidigital number, since it uses as much as digits as its factorization.

1297942393379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69756429.

The product of its digits is 138883248, while the sum is 68.

The spelling of 1297942393379 in words is "one trillion, two hundred ninety-seven billion, nine hundred forty-two million, three hundred ninety-three thousand, three hundred seventy-nine".

Divisors: 1 23 809 18607 69755597 1604378731 56432277973 1297942393379