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4749347243 = 31115271213
BaseRepresentation
bin1000110110001010…
…10100100110101011
3110020222201211121202
410123011110212223
534211313102433
62103134554415
7225456533264
oct43305244653
913228654552
104749347243
112017978973
12b06668a0b
135a8c4b054
14330a9596b
151cbe43ee8
hex11b1549ab

4749347243 has 4 divisors (see below), whose sum is σ = 4764618768. Its totient is φ = 4734075720.

The previous prime is 4749347221. The next prime is 4749347297. The reversal of 4749347243 is 3427439474.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4749347243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4749347143) 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, 7635296 + ... + 7635917.

It is an arithmetic number, because the mean of its divisors is an integer number (1191154692).

Almost surely, 24749347243 is an apocalyptic number.

4749347243 is a deficient number, since it is larger than the sum of its proper divisors (15271525).

4749347243 is a wasteful number, since it uses less digits than its factorization.

4749347243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271524.

The product of its digits is 2032128, while the sum is 47.

The square root of 4749347243 is about 68915.5080007396. The cubic root of 4749347243 is about 1680.9106980130.

The spelling of 4749347243 in words is "four billion, seven hundred forty-nine million, three hundred forty-seven thousand, two hundred forty-three".

Divisors: 1 311 15271213 4749347243