Base | Representation |
---|---|
bin | 1111011111111… |
… | …01010000110011 |
3 | 100001122022020002 |
4 | 13233331100303 |
5 | 231240342321 |
6 | 20522340215 |
7 | 3136041230 |
oct | 757752063 |
9 | 301568202 |
10 | 130012211 |
11 | 6743010a |
12 | 3765a66b |
13 | 20c21204 |
14 | 133a4787 |
15 | b63220b |
hex | 7bfd433 |
130012211 has 8 divisors (see below), whose sum is σ = 148700160. Its totient is φ = 111352968.
The previous prime is 130012187. The next prime is 130012213. The reversal of 130012211 is 112210031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130012211 - 218 = 129750067 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130012192 and 130012201.
It is not an unprimeable number, because it can be changed into a prime (130012213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3620 + ... + 16526.
It is an arithmetic number, because the mean of its divisors is an integer number (18587520).
Almost surely, 2130012211 is an apocalyptic number.
130012211 is a deficient number, since it is larger than the sum of its proper divisors (18687949).
130012211 is a wasteful number, since it uses less digits than its factorization.
130012211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14353.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 130012211 is about 11402.2897261910. The cubic root of 130012211 is about 506.5955625539.
Adding to 130012211 its reverse (112210031), we get a palindrome (242222242).
The spelling of 130012211 in words is "one hundred thirty million, twelve thousand, two hundred eleven".
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