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4975199897 = 231911132529
BaseRepresentation
bin1001010001000101…
…11000011010011001
3110211201201100012212
410220202320122121
540142122344042
62141403444505
7234201333653
oct45042703231
913751640185
104975199897
112123409358
12b6a226735
13613987685
14352a876d3
151e1ba8482
hex1288b8699

4975199897 has 8 divisors (see below), whose sum is σ = 5218698240. Its totient is φ = 4733967040.

The previous prime is 4975199891. The next prime is 4975199953. The reversal of 4975199897 is 7989915794.

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

It is a cyclic number.

It is not a de Polignac number, because 4975199897 - 210 = 4975198873 is a prime.

It is a super-2 number, since 2×49751998972 = 49505228030217621218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4975199891) 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, 561872 + ... + 570657.

It is an arithmetic number, because the mean of its divisors is an integer number (652337280).

Almost surely, 24975199897 is an apocalyptic number.

It is an amenable number.

4975199897 is a deficient number, since it is larger than the sum of its proper divisors (243498343).

4975199897 is a wasteful number, since it uses less digits than its factorization.

4975199897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132743.

The product of its digits is 51438240, while the sum is 68.

The square root of 4975199897 is about 70535.0969163579. The cubic root of 4975199897 is about 1707.1440875029.

The spelling of 4975199897 in words is "four billion, nine hundred seventy-five million, one hundred ninety-nine thousand, eight hundred ninety-seven".

Divisors: 1 23 191 4393 1132529 26048167 216313039 4975199897