Base | Representation |
---|---|
bin | 111110111110111… |
… | …1110110101000010 |
3 | 12110021201211221220 |
4 | 1331331332311002 |
5 | 13312012301010 |
6 | 545413255510 |
7 | 103241414262 |
oct | 17575766502 |
9 | 5407654856 |
10 | 2113400130 |
11 | 994a60886 |
12 | 4ab934596 |
13 | 278b0022a |
14 | 1609777a2 |
15 | c5812970 |
hex | 7df7ed42 |
2113400130 has 32 divisors (see below), whose sum is σ = 5073603264. Its totient is φ = 563413056.
The previous prime is 2113400089. The next prime is 2113400131. The reversal of 2113400130 is 310043112.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2113400131) 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, 128664 + ... + 144156.
It is an arithmetic number, because the mean of its divisors is an integer number (158550102).
Almost surely, 22113400130 is an apocalyptic number.
2113400130 is an abundant number, since it is smaller than the sum of its proper divisors (2960203134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2113400130 is a wasteful number, since it uses less digits than its factorization.
2113400130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20050.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2113400130 is about 45971.7318577406. The cubic root of 2113400130 is about 1283.2971898893.
Adding to 2113400130 its reverse (310043112), we get a palindrome (2423443242).
The spelling of 2113400130 in words is "two billion, one hundred thirteen million, four hundred thousand, one hundred thirty".
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