Base | Representation |
---|---|
bin | 111100011001010… |
… | …000000010011010 |
3 | 2121121121112210010 |
4 | 330121100002122 |
5 | 4033343033000 |
6 | 244313302350 |
7 | 34052334123 |
oct | 7431200232 |
9 | 2547545703 |
10 | 1013252250 |
11 | 47aa5545a |
12 | 2434049b6 |
13 | 131bca15a |
14 | 987db04a |
15 | 5de4cd50 |
hex | 3c65009a |
1013252250 has 64 divisors (see below), whose sum is σ = 2548630656. Its totient is φ = 268112000.
The previous prime is 1013252249. The next prime is 1013252263. The reversal of 1013252250 is 522523101.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93094 + ... + 103406.
It is an arithmetic number, because the mean of its divisors is an integer number (39822354).
Almost surely, 21013252250 is an apocalyptic number.
1013252250 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 1013252250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274315328).
1013252250 is an abundant number, since it is smaller than the sum of its proper divisors (1535378406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1013252250 is a wasteful number, since it uses less digits than its factorization.
1013252250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10464 (or 10454 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 1013252250 is about 31831.6234270261. The cubic root of 1013252250 is about 1004.3980455056.
Adding to 1013252250 its reverse (522523101), we get a palindrome (1535775351).
The spelling of 1013252250 in words is "one billion, thirteen million, two hundred fifty-two thousand, two hundred fifty".
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