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4998816187 = 172423121357
BaseRepresentation
bin1001010011111001…
…11110000110111011
3110220101011011200021
410221330332012323
540214144104222
62144005551311
7234606144061
oct45174760673
913811134607
104998816187
112135779652
12b76115537
13618835b01
14355c74031
151e3cc0ac7
hex129f3e1bb

4998816187 has 8 divisors (see below), whose sum is σ = 5295092256. Its totient is φ = 4702787712.

The previous prime is 4998816181. The next prime is 4998816197. The reversal of 4998816187 is 7816188994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4998816187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4998816181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19488 + ... + 101869.

It is an arithmetic number, because the mean of its divisors is an integer number (661886532).

Almost surely, 24998816187 is an apocalyptic number.

4998816187 is a deficient number, since it is larger than the sum of its proper divisors (296276069).

4998816187 is a wasteful number, since it uses less digits than its factorization.

4998816187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123797.

The product of its digits is 6967296, while the sum is 61.

The square root of 4998816187 is about 70702.3068011221. The cubic root of 4998816187 is about 1709.8409832410.

The spelling of 4998816187 in words is "four billion, nine hundred ninety-eight million, eight hundred sixteen thousand, one hundred eighty-seven".

Divisors: 1 17 2423 41191 121357 2063069 294048011 4998816187