Base | Representation |
---|---|
bin | 1111011101100010000… |
… | …11010100000011101110 |
3 | 1212210020211020222211210 |
4 | 13232301003110003232 |
5 | 32201000330210410 |
6 | 1044015321255250 |
7 | 53244622335306 |
oct | 7566103240356 |
9 | 1783224228753 |
10 | 531251413230 |
11 | 19533663383a |
12 | 86b63034526 |
13 | 3b134868a75 |
14 | 1b9d9942606 |
15 | dc44551220 |
hex | 7bb10d40ee |
531251413230 has 32 divisors (see below), whose sum is σ = 1277665228800. Its totient is φ = 141371283872.
The previous prime is 531251413201. The next prime is 531251413237. The reversal of 531251413230 is 32314152135.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531251413237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18470370 + ... + 18499109.
It is an arithmetic number, because the mean of its divisors is an integer number (39927038400).
Almost surely, 2531251413230 is an apocalyptic number.
531251413230 is an abundant number, since it is smaller than the sum of its proper divisors (746413815570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
531251413230 is a wasteful number, since it uses less digits than its factorization.
531251413230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36969968.
The product of its (nonzero) digits is 10800, while the sum is 30.
Adding to 531251413230 its reverse (32314152135), we get a palindrome (563565565365).
The spelling of 531251413230 in words is "five hundred thirty-one billion, two hundred fifty-one million, four hundred thirteen thousand, two hundred thirty".
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