Base | Representation |
---|---|
bin | 10111001100011011… |
… | …00001110010010010 |
3 | 1012010211002100201201 |
4 | 23212031201302102 |
5 | 201000233144110 |
6 | 5415342421414 |
7 | 620402204152 |
oct | 134615416222 |
9 | 35124070651 |
10 | 12452240530 |
11 | 530aa68684 |
12 | 24b629186a |
13 | 1235a67282 |
14 | 861b00762 |
15 | 4cd302b3a |
hex | 2e6361c92 |
12452240530 has 16 divisors (see below), whose sum is σ = 22436265240. Its totient is φ = 4975955712.
The previous prime is 12452240509. The next prime is 12452240531. The reversal of 12452240530 is 3504225421.
It can be written as a sum of positive squares in 4 ways, for example, as 9678427641 + 2773812889 = 98379^2 + 52667^2 .
It is not an unprimeable number, because it can be changed into a prime (12452240531) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606969 + ... + 627148.
Almost surely, 212452240530 is an apocalyptic number.
12452240530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12452240530 is a deficient number, since it is larger than the sum of its proper divisors (9984024710).
12452240530 is a wasteful number, since it uses less digits than its factorization.
12452240530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1235133.
The product of its (nonzero) digits is 9600, while the sum is 28.
Adding to 12452240530 its reverse (3504225421), we get a palindrome (15956465951).
The spelling of 12452240530 in words is "twelve billion, four hundred fifty-two million, two hundred forty thousand, five hundred thirty".
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