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206372923741 = 747727601033
BaseRepresentation
bin1100000000110011001…
…0001110100101011101
3201201200111001202101001
43000030302032211131
511340122432024431
6234450103550301
720624053623415
oct3001462164535
9651614052331
10206372923741
117a582154126
1233bb5a5b391
13165cb73927a
149dba647645
15557cbc2e61
hex300cc8e95d

206372923741 has 4 divisors (see below), whose sum is σ = 206400532252. Its totient is φ = 206345315232.

The previous prime is 206372923723. The next prime is 206372923753. The reversal of 206372923741 is 147329273602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 179157492900 + 27215430841 = 423270^2 + 164971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-206372923741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206372923691 and 206372923700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206372923241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13793040 + ... + 13807993.

It is an arithmetic number, because the mean of its divisors is an integer number (51600133063).

Almost surely, 2206372923741 is an apocalyptic number.

It is an amenable number.

206372923741 is a deficient number, since it is larger than the sum of its proper divisors (27608511).

206372923741 is an equidigital number, since it uses as much as digits as its factorization.

206372923741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27608510.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 206372923741 in words is "two hundred six billion, three hundred seventy-two million, nine hundred twenty-three thousand, seven hundred forty-one".

Divisors: 1 7477 27601033 206372923741