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4973542687 = 7170049897
BaseRepresentation
bin1001010000111001…
…00011110100011111
3110211121121010221201
410220130203310133
540141211331222
62141304140331
7234151262311
oct45034436437
913747533851
104973542687
112122487263
12b697676a7
13613527289
143527757b1
151e197c427
hex128723d1f

4973542687 has 4 divisors (see below), whose sum is σ = 5043592656. Its totient is φ = 4903492720.

The previous prime is 4973542681. The next prime is 4973542699. The reversal of 4973542687 is 7862453794.

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-4973542687 is a prime.

It is a super-2 number, since 2×49735426872 = 49472253718822359938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4973542681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35024878 + ... + 35025019.

It is an arithmetic number, because the mean of its divisors is an integer number (1260898164).

Almost surely, 24973542687 is an apocalyptic number.

4973542687 is a deficient number, since it is larger than the sum of its proper divisors (70049969).

4973542687 is an equidigital number, since it uses as much as digits as its factorization.

4973542687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70049968.

The product of its digits is 10160640, while the sum is 55.

The square root of 4973542687 is about 70523.3485237336. The cubic root of 4973542687 is about 1706.9545198816.

The spelling of 4973542687 in words is "four billion, nine hundred seventy-three million, five hundred forty-two thousand, six hundred eighty-seven".

Divisors: 1 71 70049897 4973542687