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39334219849 = 349112705501
BaseRepresentation
bin100100101000100000…
…001001000001001001
310202112021021101211101
4210220200021001021
51121024030013344
630023032501401
72561511231541
oct445040110111
9122467241741
1039334219849
1115755161611
127758b4a861
13392b164b02
141c91dc0321
1510533239d4
hex928809049

39334219849 has 4 divisors (see below), whose sum is σ = 39446925700. Its totient is φ = 39221514000.

The previous prime is 39334219819. The next prime is 39334219853. The reversal of 39334219849 is 94891243393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94891243393 = 799731186541.

It can be written as a sum of positive squares in 2 ways, for example, as 18693725625 + 20640494224 = 136725^2 + 143668^2 .

It is a cyclic number.

It is not a de Polignac number, because 39334219849 - 27 = 39334219721 is a prime.

It is a super-2 number, since 2×393342198492 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39334219849.

It is not an unprimeable number, because it can be changed into a prime (39334219819) 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, 56352402 + ... + 56353099.

It is an arithmetic number, because the mean of its divisors is an integer number (9861731425).

Almost surely, 239334219849 is an apocalyptic number.

It is an amenable number.

39334219849 is a deficient number, since it is larger than the sum of its proper divisors (112705851).

39334219849 is a wasteful number, since it uses less digits than its factorization.

39334219849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112705850.

The product of its digits is 5038848, while the sum is 55.

The spelling of 39334219849 in words is "thirty-nine billion, three hundred thirty-four million, two hundred nineteen thousand, eight hundred forty-nine".

Divisors: 1 349 112705501 39334219849