Base | Representation |
---|---|
bin | 1001010000101000… |
… | …00011100101010101 |
3 | 110211110101220001222 |
4 | 10220110003211111 |
5 | 40140124012433 |
6 | 2141144300125 |
7 | 234123316226 |
oct | 45024034525 |
9 | 13743356058 |
10 | 4971313493 |
11 | 21211a4453 |
12 | b68a71645 |
13 | 612c26723 |
14 | 35235524d |
15 | 1e168bb98 |
hex | 128503955 |
4971313493 has 8 divisors (see below), whose sum is σ = 5000117976. Its totient is φ = 4942540800.
The previous prime is 4971313483. The next prime is 4971313511. The reversal of 4971313493 is 3943131794.
It can be written as a sum of positive squares in 4 ways, for example, as 221622769 + 4749690724 = 14887^2 + 68918^2 .
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 4971313493 - 220 = 4970264917 is a prime.
It is a super-2 number, since 2×49713134932 = 49427915691367722098, 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 (4971313483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352253 + ... + 366093.
It is an arithmetic number, because the mean of its divisors is an integer number (625014747).
Almost surely, 24971313493 is an apocalyptic number.
It is an amenable number.
4971313493 is a deficient number, since it is larger than the sum of its proper divisors (28804483).
4971313493 is a wasteful number, since it uses less digits than its factorization.
4971313493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15895.
The product of its digits is 244944, while the sum is 44.
The square root of 4971313493 is about 70507.5421001186. The cubic root of 4971313493 is about 1706.6994567971.
The spelling of 4971313493 in words is "four billion, nine hundred seventy-one million, three hundred thirteen thousand, four hundred ninety-three".
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