Base | Representation |
---|---|
bin | 1000001000011110… |
… | …1010000001101111 |
3 | 12122010210012002002 |
4 | 2002013222001233 |
5 | 13432324421411 |
6 | 1000342122515 |
7 | 105045402233 |
oct | 20207520157 |
9 | 5563705062 |
10 | 2183045231 |
11 | a202aa214 |
12 | 50b12043b |
13 | 28a376353 |
14 | 169d065c3 |
15 | cb9bd33b |
hex | 821ea06f |
2183045231 has 4 divisors (see below), whose sum is σ = 2188745472. Its totient is φ = 2177344992.
The previous prime is 2183045219. The next prime is 2183045257. The reversal of 2183045231 is 1325403812.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2183045231 - 230 = 1109303407 is a prime.
It is a super-2 number, since 2×21830452312 = 9531372961183686722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2183045194 and 2183045203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2183044231) 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, 2849546 + ... + 2850311.
It is an arithmetic number, because the mean of its divisors is an integer number (547186368).
Almost surely, 22183045231 is an apocalyptic number.
2183045231 is a deficient number, since it is larger than the sum of its proper divisors (5700241).
2183045231 is an equidigital number, since it uses as much as digits as its factorization.
2183045231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5700240.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 2183045231 is about 46723.0695802406. The cubic root of 2183045231 is about 1297.2417318772.
The spelling of 2183045231 in words is "two billion, one hundred eighty-three million, forty-five thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •