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348273442387 = 1326790264799
BaseRepresentation
bin1010001000101101011…
…01101111111001010011
31020021221202220222120201
411010112231233321103
521201231000124022
6423554500320031
734106353262413
oct5042655577123
91207852828521
10348273442387
1112477a308032
12575b80a3017
1326ac3c83bc0
1412bdc436643
1590d56a6127
hex5116b6fe53

348273442387 has 4 divisors (see below), whose sum is σ = 375063707200. Its totient is φ = 321483177576.

The previous prime is 348273442379. The next prime is 348273442423. The reversal of 348273442387 is 783244372843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783244372843 = 7431054164701.

It is a cyclic number.

It is not a de Polignac number, because 348273442387 - 23 = 348273442379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (348273742387) 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, 13395132387 + ... + 13395132412.

It is an arithmetic number, because the mean of its divisors is an integer number (93765926800).

Almost surely, 2348273442387 is an apocalyptic number.

348273442387 is a deficient number, since it is larger than the sum of its proper divisors (26790264813).

348273442387 is a wasteful number, since it uses less digits than its factorization.

348273442387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26790264812.

The product of its digits is 21676032, while the sum is 55.

The spelling of 348273442387 in words is "three hundred forty-eight billion, two hundred seventy-three million, four hundred forty-two thousand, three hundred eighty-seven".

Divisors: 1 13 26790264799 348273442387