Base | Representation |
---|---|
bin | 111100101000111001… |
… | …0001100010101110011 |
3 | 110110010100000212111102 |
4 | 1321101302030111303 |
5 | 4113143102143443 |
6 | 135453414435015 |
7 | 12260000231336 |
oct | 1712162142563 |
9 | 413110025442 |
10 | 130221131123 |
11 | 50254485226 |
12 | 212a2962a6b |
13 | c38394a055 |
14 | 64349cc61d |
15 | 35c2493cb8 |
hex | 1e51c8c573 |
130221131123 has 8 divisors (see below), whose sum is σ = 130521587760. Its totient is φ = 129920818720.
The previous prime is 130221131093. The next prime is 130221131137. The reversal of 130221131123 is 321131122031.
It is a happy number.
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 130221131123 - 26 = 130221131059 is a prime.
It is a super-2 number, since 2×1302211311232 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130221131095 and 130221131104.
It is not an unprimeable number, because it can be changed into a prime (130221131143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889393 + ... + 1957101.
It is an arithmetic number, because the mean of its divisors is an integer number (16315198470).
Almost surely, 2130221131123 is an apocalyptic number.
130221131123 is a deficient number, since it is larger than the sum of its proper divisors (300456637).
130221131123 is an equidigital number, since it uses as much as digits as its factorization.
130221131123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72117.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 130221131123 its reverse (321131122031), we get a palindrome (451352253154).
The spelling of 130221131123 in words is "one hundred thirty billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred twenty-three".
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