Base | Representation |
---|---|
bin | 111100101000111001… |
… | …0011101001011111011 |
3 | 110110010100011101010222 |
4 | 1321101302131023323 |
5 | 4113143111400443 |
6 | 135453420130255 |
7 | 12260000636450 |
oct | 1712162351373 |
9 | 413110141128 |
10 | 130221200123 |
11 | 50254522053 |
12 | 212a299698b |
13 | c383972591 |
14 | 6434a09827 |
15 | 35c24a9468 |
hex | 1e51c9d2fb |
130221200123 has 8 divisors (see below), whose sum is σ = 148889037792. Its totient is φ = 111569564736.
The previous prime is 130221200117. The next prime is 130221200159. The reversal of 130221200123 is 321002122031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130221200123 - 214 = 130221183739 is a prime.
It is a super-2 number, since 2×1302212001232 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130221200173) 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, 4033340 + ... + 4065497.
It is an arithmetic number, because the mean of its divisors is an integer number (18611129724).
Almost surely, 2130221200123 is an apocalyptic number.
130221200123 is a deficient number, since it is larger than the sum of its proper divisors (18667837669).
130221200123 is an equidigital number, since it uses as much as digits as its factorization.
130221200123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8101141.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 130221200123 its reverse (321002122031), we get a palindrome (451223322154).
The spelling of 130221200123 in words is "one hundred thirty billion, two hundred twenty-one million, two hundred thousand, one hundred twenty-three".
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