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4938049049 = 10069490421
BaseRepresentation
bin1001001100101010…
…01010011000011001
3110202010210212211112
410212111022120121
540103120032144
62133555310105
7233240503313
oct44625123031
913663725745
104938049049
11210444437a
12b598ab335
1360907a91b
1434bb767b3
151dd7ba99e
hex12654a619

4938049049 has 4 divisors (see below), whose sum is σ = 4938549540. Its totient is φ = 4937548560.

The previous prime is 4938049043. The next prime is 4938049091. The reversal of 4938049049 is 9409408394.

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 3154507225 + 1783541824 = 56165^2 + 42232^2 .

It is a cyclic number.

It is not a de Polignac number, because 4938049049 - 212 = 4938044953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4938048988 and 4938049006.

It is not an unprimeable number, because it can be changed into a prime (4938049043) 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, 235142 + ... + 255279.

It is an arithmetic number, because the mean of its divisors is an integer number (1234637385).

Almost surely, 24938049049 is an apocalyptic number.

It is an amenable number.

4938049049 is a deficient number, since it is larger than the sum of its proper divisors (500491).

4938049049 is a wasteful number, since it uses less digits than its factorization.

4938049049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500490.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 4938049049 is about 70271.2533615276. The cubic root of 4938049049 is about 1702.8842673719.

The spelling of 4938049049 in words is "four billion, nine hundred thirty-eight million, forty-nine thousand, forty-nine".

Divisors: 1 10069 490421 4938049049