Base | Representation |
---|---|
bin | 11100011010010100… |
… | …11010110001001000 |
3 | 1110101000121212210210 |
4 | 32031022122301020 |
5 | 222214311023144 |
6 | 11001321241120 |
7 | 1046663143251 |
oct | 161512326110 |
9 | 43330555723 |
10 | 15253220424 |
11 | 65180552a2 |
12 | 2b583331a0 |
13 | 1591148520 |
14 | a49adbb28 |
15 | 5e4182ab9 |
hex | 38d29ac48 |
15253220424 has 64 divisors (see below), whose sum is σ = 41149080000. Its totient is φ = 4683845376.
The previous prime is 15253220419. The next prime is 15253220429. The reversal of 15253220424 is 42402235251.
It is an interprime number because it is at equal distance from previous prime (15253220419) and next prime (15253220429).
It is a junction number, because it is equal to n+sod(n) for n = 15253220391 and 15253220400.
It is not an unprimeable number, because it can be changed into a prime (15253220429) 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, 106702 + ... + 204674.
It is an arithmetic number, because the mean of its divisors is an integer number (642954375).
Almost surely, 215253220424 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15253220424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20574540000).
15253220424 is an abundant number, since it is smaller than the sum of its proper divisors (25895859576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15253220424 is a wasteful number, since it uses less digits than its factorization.
15253220424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98494 (or 98490 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 30.
Adding to 15253220424 its reverse (42402235251), we get a palindrome (57655455675).
The spelling of 15253220424 in words is "fifteen billion, two hundred fifty-three million, two hundred twenty thousand, four hundred twenty-four".
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