Base | Representation |
---|---|
bin | 1111110100100011… |
… | …1010010100100001 |
3 | 101221222102111220110 |
4 | 3331020322110201 |
5 | 32144211043211 |
6 | 1541231201533 |
7 | 210146443431 |
oct | 37510722441 |
9 | 11858374813 |
10 | 4246971681 |
11 | 188a339757 |
12 | 9a63762a9 |
13 | 528b438c4 |
14 | 2c40822c1 |
15 | 19ccabea6 |
hex | fd23a521 |
4246971681 has 4 divisors (see below), whose sum is σ = 5662628912. Its totient is φ = 2831314452.
The previous prime is 4246971581. The next prime is 4246971709. The reversal of 4246971681 is 1861796424.
4246971681 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 4246971681 - 210 = 4246970657 is a prime.
It is a super-2 number, since 2×42469716812 = 36073536918431931522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 4246971681.
It is not an unprimeable number, because it can be changed into a prime (4246971581) 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, 707828611 + ... + 707828616.
It is an arithmetic number, because the mean of its divisors is an integer number (1415657228).
Almost surely, 24246971681 is an apocalyptic number.
It is an amenable number.
4246971681 is a deficient number, since it is larger than the sum of its proper divisors (1415657231).
4246971681 is a wasteful number, since it uses less digits than its factorization.
4246971681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1415657230.
The product of its digits is 580608, while the sum is 48.
The square root of 4246971681 is about 65168.7937666488. The cubic root of 4246971681 is about 1619.4210806758.
The spelling of 4246971681 in words is "four billion, two hundred forty-six million, nine hundred seventy-one thousand, six hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •