Base | Representation |
---|---|
bin | 11000001111000010… |
… | …00100111001101110 |
3 | 1020120202111221202220 |
4 | 30013201010321232 |
5 | 203121304410410 |
6 | 5551023100210 |
7 | 640265534115 |
oct | 140741047156 |
9 | 36522457686 |
10 | 13011013230 |
11 | 55774178a6 |
12 | 2631441666 |
13 | 12c47597c7 |
14 | 8b5dd4c7c |
15 | 5123ca070 |
hex | 307844e6e |
13011013230 has 128 divisors (see below), whose sum is σ = 33593702400. Its totient is φ = 3215407104.
The previous prime is 13011013199. The next prime is 13011013261. The reversal of 13011013230 is 3231011031.
It is an interprime number because it is at equal distance from previous prime (13011013199) and next prime (13011013261).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5087112 + ... + 5089668.
It is an arithmetic number, because the mean of its divisors is an integer number (262450800).
Almost surely, 213011013230 is an apocalyptic number.
13011013230 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 13011013230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16796851200).
13011013230 is an abundant number, since it is smaller than the sum of its proper divisors (20582689170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13011013230 is a wasteful number, since it uses less digits than its factorization.
13011013230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2778.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 13011013230 its reverse (3231011031), we get a palindrome (16242024261).
The spelling of 13011013230 in words is "thirteen billion, eleven million, thirteen thousand, two hundred thirty".
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