Base | Representation |
---|---|
bin | 1000011001101101… |
… | …0101000100000101 |
3 | 12211011202200020002 |
4 | 2012123111010011 |
5 | 14104324423414 |
6 | 1011443051045 |
7 | 106613554022 |
oct | 20633250405 |
9 | 5734680202 |
10 | 2255311109 |
11 | a58078687 |
12 | 52b370a85 |
13 | 29c32931c |
14 | 175758549 |
15 | d2ee54de |
hex | 866d5105 |
2255311109 has 4 divisors (see below), whose sum is σ = 2282483616. Its totient is φ = 2228138604.
The previous prime is 2255311099. The next prime is 2255311111. The reversal of 2255311109 is 9011135522.
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, and also an emirpimes, since its reverse is a distinct semiprime: 9011135522 = 2 ⋅4505567761.
It is a cyclic number.
It is not a de Polignac number, because 2255311109 - 212 = 2255307013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2255311139) 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 3 ways as a sum of consecutive naturals, for example, 13586129 + ... + 13586294.
It is an arithmetic number, because the mean of its divisors is an integer number (570620904).
Almost surely, 22255311109 is an apocalyptic number.
It is an amenable number.
2255311109 is a deficient number, since it is larger than the sum of its proper divisors (27172507).
2255311109 is an equidigital number, since it uses as much as digits as its factorization.
2255311109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27172506.
The product of its (nonzero) digits is 2700, while the sum is 29.
The square root of 2255311109 is about 47490.1159084709. The cubic root of 2255311109 is about 1311.4009271497.
The spelling of 2255311109 in words is "two billion, two hundred fifty-five million, three hundred eleven thousand, one hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •