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4942739983 = 5039980897
BaseRepresentation
bin1001001101001110…
…00011101000001111
3110202110122012120211
410212213003220033
540110320134413
62134244023251
7233325411436
oct44647035017
913673565524
104942739983
112107058785
12b5b391b27
1360a030b1c
1434c63811d
151ddde583d
hex1269c3a0f

4942739983 has 4 divisors (see below), whose sum is σ = 4943725920. Its totient is φ = 4941754048.

The previous prime is 4942739981. The next prime is 4942740029. The reversal of 4942739983 is 3899372494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3899372494 = 21949686247.

It is a cyclic number.

It is not a de Polignac number, because 4942739983 - 21 = 4942739981 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4942739981) 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, 485410 + ... + 495487.

It is an arithmetic number, because the mean of its divisors is an integer number (1235931480).

Almost surely, 24942739983 is an apocalyptic number.

4942739983 is a deficient number, since it is larger than the sum of its proper divisors (985937).

4942739983 is an equidigital number, since it uses as much as digits as its factorization.

4942739983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985936.

The product of its digits is 11757312, while the sum is 58.

The square root of 4942739983 is about 70304.6227711948. The cubic root of 4942739983 is about 1703.4233189627.

The spelling of 4942739983 in words is "four billion, nine hundred forty-two million, seven hundred thirty-nine thousand, nine hundred eighty-three".

Divisors: 1 5039 980897 4942739983