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5938681813 = 7823759131
BaseRepresentation
bin1011000011111100…
…10001011111010101
3120022212200021221021
411201332101133111
544130300304223
62421142321141
7300110651101
oct54176213725
916285607837
105938681813
11257825a5a9
121198a291b1
13738479b0c
14404a0a901
1524b57465d
hex161f917d5

5938681813 has 4 divisors (see below), whose sum is σ = 5939448768. Its totient is φ = 5937914860.

The previous prime is 5938681807. The next prime is 5938681841. The reversal of 5938681813 is 3181868395.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5938681813 - 229 = 5401810901 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 (5938681513) 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 3 ways as a sum of consecutive naturals, for example, 371743 + ... + 387388.

It is an arithmetic number, because the mean of its divisors is an integer number (1484862192).

Almost surely, 25938681813 is an apocalyptic number.

It is an amenable number.

5938681813 is a deficient number, since it is larger than the sum of its proper divisors (766955).

5938681813 is an equidigital number, since it uses as much as digits as its factorization.

5938681813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766954.

The product of its digits is 1244160, while the sum is 52.

The square root of 5938681813 is about 77062.8432709305. The cubic root of 5938681813 is about 1810.9092440334.

The spelling of 5938681813 in words is "five billion, nine hundred thirty-eight million, six hundred eighty-one thousand, eight hundred thirteen".

Divisors: 1 7823 759131 5938681813