Base | Representation |
---|---|
bin | 10010101011000100… |
… | …11010110001110010 |
3 | 221212122211210211200 |
4 | 21111202122301302 |
5 | 131012401124110 |
6 | 4334434552030 |
7 | 503300161050 |
oct | 112542326162 |
9 | 27778753750 |
10 | 10025020530 |
11 | 4284954338 |
12 | 1b39438616 |
13 | c39c3ab15 |
14 | 6b15d71d0 |
15 | 3da1a16c0 |
hex | 25589ac72 |
10025020530 has 192 divisors, whose sum is σ = 31654022400. Its totient is φ = 2148913152.
The previous prime is 10025020409. The next prime is 10025020553. The reversal of 10025020530 is 3502052001.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3286446 + ... + 3289494.
It is an arithmetic number, because the mean of its divisors is an integer number (164864700).
Almost surely, 210025020530 is an apocalyptic number.
10025020530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 10025020530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15827011200).
10025020530 is an abundant number, since it is smaller than the sum of its proper divisors (21629001870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10025020530 is a wasteful number, since it uses less digits than its factorization.
10025020530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3393 (or 3390 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
Adding to 10025020530 its reverse (3502052001), we get a palindrome (13527072531).
The spelling of 10025020530 in words is "ten billion, twenty-five million, twenty thousand, five hundred thirty".
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