Base | Representation |
---|---|
bin | 100010000110011… |
… | …0100001001101111 |
3 | 2221202000220002022 |
4 | 1010030310021233 |
5 | 4320404210111 |
6 | 305312220355 |
7 | 40232424206 |
oct | 10414641157 |
9 | 2852026068 |
10 | 1144210031 |
11 | 537970a28 |
12 | 27b23a6bb |
13 | 15308c873 |
14 | abd6a23d |
15 | 6a6ba2db |
hex | 4433426f |
1144210031 has 4 divisors (see below), whose sum is σ = 1181120064. Its totient is φ = 1107300000.
The previous prime is 1144209991. The next prime is 1144210073. The reversal of 1144210031 is 1300124411.
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 1144210031 - 214 = 1144193647 is a prime.
It is a super-2 number, since 2×11442100312 = 2618433190082041922, 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 = 1144209991 and 1144210009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1144210931) 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, 18454970 + ... + 18455031.
It is an arithmetic number, because the mean of its divisors is an integer number (295280016).
Almost surely, 21144210031 is an apocalyptic number.
1144210031 is a deficient number, since it is larger than the sum of its proper divisors (36910033).
1144210031 is an equidigital number, since it uses as much as digits as its factorization.
1144210031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36910032.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 1144210031 is about 33826.1737564271. The cubic root of 1144210031 is about 1045.9283070751.
Adding to 1144210031 its reverse (1300124411), we get a palindrome (2444334442).
The spelling of 1144210031 in words is "one billion, one hundred forty-four million, two hundred ten thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •