Base | Representation |
---|---|
bin | 1001000001101100000… |
… | …10010100010101000011 |
3 | 1002122112111001220222201 |
4 | 10200312002110111003 |
5 | 20040133410110111 |
6 | 354251151014031 |
7 | 31256443252213 |
oct | 4406602242503 |
9 | 1078474056881 |
10 | 310144222531 |
11 | 10a593367890 |
12 | 5013680a317 |
13 | 23328674350 |
14 | 110224c8243 |
15 | 81030596c1 |
hex | 4836094543 |
310144222531 has 32 divisors (see below), whose sum is σ = 366623502336. Its totient is φ = 258650496000.
The previous prime is 310144222529. The next prime is 310144222547. The reversal of 310144222531 is 135222441013.
It is not a de Polignac number, because 310144222531 - 21 = 310144222529 is a prime.
It is a super-2 number, since 2×3101442225312 (a number of 24 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 310144222531.
It is not an unprimeable number, because it can be changed into a prime (310144220531) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31978675 + ... + 31988371.
It is an arithmetic number, because the mean of its divisors is an integer number (11456984448).
Almost surely, 2310144222531 is an apocalyptic number.
310144222531 is a deficient number, since it is larger than the sum of its proper divisors (56479279805).
310144222531 is a wasteful number, since it uses less digits than its factorization.
310144222531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11083.
The product of its (nonzero) digits is 5760, while the sum is 28.
Adding to 310144222531 its reverse (135222441013), we get a palindrome (445366663544).
The spelling of 310144222531 in words is "three hundred ten billion, one hundred forty-four million, two hundred twenty-two thousand, five hundred thirty-one".
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